22 February 2024

Starting a Business on a Shoestring Budget

By Ronald Smith

Today, I want to talk to you about an exciting topic: starting your own business! I know it may seem like a daunting task, but guess what? You can actually start a business with just $1,000 or less. That’s right, I said it! So, let’s dive in and explore some cool business ideas that won’t break the bank.


1. Freelance Writing

If you have a way with words, why not use it to your advantage? You can offer your writing skills to businesses and individuals who need help with content creation. Whether it’s blog posts, articles, or website copy, the demand for good writers is always high.

2. Social Media Management

Do you love spending time on social media? Then why not turn your passion into a business? Many companies struggle with managing their social media presence, and that’s where you can step in. You can help them create engaging content, schedule posts, and interact with their followers.

3. Handmade Crafts

If you’re a crafty person, you can turn your talent into profit. Creating handmade crafts, such as jewelry, candles, or pottery, can be a great business idea. You can sell your creations online or at local craft fairs.

4. Personal Organizer

Are you someone who loves organizing things? Well, some people don’t have that talent, and that’s where you come in. As a personal organizer, you can help individuals declutter and organize their homes or offices. It’s a rewarding business that can make a real difference in people’s lives.

5. Pet Sitting

If you’re an animal lover, then pet sitting might be the perfect business for you. Many pet owners need someone reliable to take care of their furry friends while they’re away. You can offer your services as a pet sitter and provide love and care to adorable animals.

6. Virtual Assistant

In today’s digital age, many entrepreneurs and small businesses need help with administrative tasks. That’s where a virtual assistant comes in. You can offer services like email management, appointment scheduling, and research, all from the comfort of your own home.

7. Event Planner

If you’re a natural planner and love throwing parties, why not become an event planner? You can help individuals and businesses organize and coordinate special events, such as weddings, birthday parties, or corporate gatherings.

8. Home Cleaning Services

Do you have a knack for cleaning? Starting a home cleaning service can be a lucrative business idea. Many people don’t have the time or energy to clean their homes, so they’re willing to pay someone to do it for them. Plus, a clean and tidy space is always a happy space.

9. Tutoring

If you have expertise in a particular subject, you can offer your tutoring services to students who need extra help. Whether it’s math, science, or a foreign language, there’s always a demand for knowledgeable tutors.

10. Photography

Do you have an eye for capturing beautiful moments? Starting a photography business can be a creative and fulfilling endeavor. You can offer your services for events, portraits, or even nature photography. Let your imagination and skills shine through your lens.

There you have it, my friend! These are just a few business ideas you can start with $1,000 or less. Remember, starting a business requires hard work and dedication, but with the right idea and a little bit of investment, you can turn your dream into a reality. So, go out there, be brave, and start your own business adventure!

Starting a Business on a Shoestring Budget

Starting a business doesn’t have to cost an arm and a leg. In fact, there are plenty of startup ideas out there that don’t require a hefty upfront investment. If you’re working with a small budget or just want to see quick profits, I’ve got a bunch of business ideas you can kick off with just $1,000.

Get Your Business Rolling with Just $1,000

Looking for small business ideas that won’t break the bank? Well, here are a few options worth considering:

1. Start an Affiliate Marketing Business

Ever heard of affiliate marketing? It’s a cool way to earn money by sharing ads and affiliate links on your own website. Whenever someone clicks one of those links and makes a purchase, you get a small commission. Trust me, there are tons of business niches within this field that you can dive into.

If you want to make money, there are plenty of ways to do it! You can share all sorts of cool things, like clothes and decorations, or even software and services that businesses need. All you need is a website or social media accounts, and connections with companies that have affiliate programs.

2. Want to be an SEO Specialist?

Businesses hire SEO experts to help them show up on search engines like Google. It’s an online job, so all you really need is a website and some know-how. If you’ve worked on SEO before or know people in the business, that’s even better. If not, you might have to spend some money on ads to find your first clients.

3. Start Your Own Catering Business

Did you know that you can start a catering business without having a physical location? It’s true! This is one food service option that doesn’t require a huge upfront cost. All you need are some cooking supplies and enough money for ingredients. Once you start getting jobs, you can use the money you earn to grow your business.

4. How about becoming a Social Media Coordinator?

If you’re interested in starting a social media business, you can offer your services online to brands that you’re interested in. The best part? All you need is a smartphone, a computer, and an internet connection. Having a website and promoting your services through online or social media ads might also help, depending on your contacts.

5. Start a Local Airport Shuttle Business

Do you know that airport shuttles and executive transportation companies offer rides to and from the airport or other local places? It’s a great business idea that doesn’t require much to start. If you already have a good vehicle, you only need to invest in a website, booking app, or local advertising to get going.

6. Landscaping Business

If you enjoy spending time outdoors, a landscaping service could be a perfect fit for you. All you need are some basic lawn care tools and reliable transportation. Most people who are interested in this line of work already own a lawnmower and a truck. As you complete your first jobs and make money, you can then invest in larger equipment, if necessary.

Starting a Business on a Shoestring Budget

7. Food Delivery Services

Did you ever think about starting a business where you deliver food? It’s actually pretty easy to start! All you need is a way to get around and a way for people to reach you. You can have a website, an app, or just a phone number for people to contact you. Some businesses only focus on delivering food from restaurants, while others can deliver groceries or help with errands. You can even choose a specific area to focus on, like a niche!

8. Online Print Shop

If you want to start a business in the art world but you don’t have a lot of money to start, try selling prints of your work online. You can sell digital files of your art on your own website or on places like Etsy. The best part is, you don’t need to have a space to store inventory or do the printing if you stick with digital files. But if you want to offer physical prints, it won’t cost you much either!

9. Event Photography Business

So, I’m an event photographer, which means I get to go to cool places and capture special moments for people like weddings or parties. It’s a pretty awesome job! I wanted to share some tips with you if you’re interested in getting into photography.

First things first, you don’t need to spend a ton of money on a camera. There are actually some really nice cameras out there that you can buy for a good price. You could even find some used cameras that work perfectly fine. So, don’t worry about breaking the bank!

Once you have your camera, you can start taking pictures at a few events to build up your portfolio. This is how you show potential clients what you can do. And hey, the more events you shoot, the more money you’ll make! So, it’s like a win-win situation.

As you start to make some extra cash, you can think about upgrading your camera or even getting some additional lenses. But the important thing is to get out there and start snapping those shots. The more experience you have, the better you’ll become!

So, grab that camera and let’s start capturing some incredible memories together! I promise you won’t regret it.

Starting a Business on a Shoestring Budget

10. Starting a Handyman Business

Starting a handyman business doesn’t have to cost a lot of money. If you already have some basic tools, you can use your initial funds to advertise locally or create a website. Many handyman businesses and local service providers rely on local marketplace or review sites to increase their visibility and attract customers.

11. Starting a Packing and Moving Business

When people move to new homes, they often look for services that can make the process easier. If you already have a truck, you can offer full-service moving to local residents. If not, you can start by assisting them with packing or storing their belongings, and then invest in options like renting a truck once you have the extra funds.

Starting a Business on a Shoestring Budget

12. Become a Personal Trainer

Wanna start your own personal training business? Well, guess what? You don’t need much to get started! Just find yourself a gym space or, if you prefer, you can even train clients at your own home. And here’s the best part: you can also offer personal training sessions online! The internet has tons of resources that can help you learn about different exercises and even get certified to offer specialized services or classes. How cool is that?

13. Start a Subscription Box Business

Wondering what a subscription box business is? It’s pretty simple, actually. These businesses put together a curated selection of products that they send out to subscribers every month. And you don’t have to worry about stocking up on a ton of inventory to get started. Most of these businesses are small-scale, so you just need enough room at home to organize your items and get them ready for shipping. Easy peasy!

More Awesome Business Ideas for Just $1000

I’ve got some awesome business ideas that won’t break the bank. You can start these for under $1,000! But guess what? There are even more options out there, just waiting for you. Let’s check them out!

14. Business Consulting Services

Want to be a business consultant? Guess what? You can work with clients online! All you need is a computer, an internet connection, and a little bit of business smarts. You can even specialize in one area, like helping startups get up and running or giving advice on marketing. Most clients are happy to chat by email or video instead of in person. And there are other types of consultants, too, like digital marketing experts or specialists in certain industries. The possibilities are endless!

15. Cleaning Business

To start a cleaning business, all you need are simple cleaning supplies and a way to get to each job. This is a business that can bring in a steady income, as long as you can find clients who want to continue working with you. There are also specialized services you can offer, like carpet cleaning or professional disinfecting for offices and medical facilities.

16. Hair Salon at Home

If you’re interested in beauty business ideas, you can start a hair salon from home or offer mobile services. It doesn’t cost much to get started – just get the basic hair tools and maybe create a website. Many hairstylists also provide services for special events like weddings, so you don’t even need a physical location. Other beauty business ideas might include doing on-site makeup or nail services.

17. Online Jewelry Shop

Did you know that starting an online handmade business doesn’t have to cost a fortune? Yep, it’s true! For a jewelry shop, all you really need are some basic supplies like wires, clasps, and beads to get started. And guess what? You don’t even have to worry about setting up a fancy website from scratch. You can simply use platforms like Etsy to keep your costs low.

18. Mobile Coffee Cart

So, opening a coffee shop may be pricey, but here’s a cool idea – a mobile coffee cart! All you need is a coffee maker or dispenser, some cups, and a place to store them. Oh, and don’t forget to get a vendor’s license if you want to sell your yummy products in busy commercial districts. This kind of business tends to do well in places with lots of office buildings or plenty of foot traffic.

19. Self-Published Author

If you’ve got an idea for a book, try writing and self-publishing using websites like Amazon. It’s actually not that complicated – all you need is some time to type up your ideas on a computer. You can also pay for an editor or ask your friends and advisors to help you make it better before you share it with others.

20. Wholesale Bakery

If you love baking, you can start a baking business without having a physical store. You might need permission and an inspection if you want to use your own kitchen. But after that, all you need is some basic ingredients and baking tools to get started. You can sell things like bread and cookies directly to local bakeries or even sell them online.

21. App Developer

If you know a little bit about creating apps, you can make your own mobile or desktop applications and make money from selling them or adding features that people can buy. You don’t need a lot of stuff to start, just a computer and some software or programs for creating apps. Or you could offer your app-making skills to other businesses and charge them money to make an app for them.

22. Online Matchmaking Website

Did you know that there are dating sites for practically every group you can think of? It’s true! All you need is a website or app to get things rolling. And guess what? You can charge folks a fee to sign up or use the platform. But wait, there’s more! You can also earn money through things like online ads. Pretty cool, right?

But hold on a sec, this awesome concept isn’t limited to just dating sites. Oh no! It can be applied to all sorts of niche websites that people are willing to pay for. Just think about it! You could create a membership site where business owners connect and learn from each other. Or how about a mentorship community for the young folks in your neighborhood? The possibilities are endless!

Starting a Business on a Shoestring Budget

23. Get Your Car Sparkling with a Mobile Auto Detailing Service

Imagine having a business where you can make cars shine without breaking the bank! With a mobile auto detailing service, all you need are a few cleaning supplies. Then, you can hit the road and bring your services straight to your clients. It’s like having a cleaning superpower! And guess what? You don’t even need a fancy office. Just a bit of local advertising or a simple website can do the trick. As time goes on, you can grow your business by hiring awesome employees and expanding your reach.

24. Clear Up the Clutter with a Professional Organizing Business

I’ve noticed that home organizing is becoming really popular these days. If you’re good at keeping things neat and tidy, why not offer your services to people in your community? You can start by creating your own website and advertising online, or even placing an ad in your local classifieds. And if you want, you can specialize in specific areas like office organization or helping people with hoarding issues.

25. Be a Social Media Influencer

Did you know that you can start your own social media business and become an influencer? All you need are your own social media accounts and a regular schedule for posting content. As you engage with your followers, you can even start building relationships with brands and get paid to promote their products or services to your audience.

Did you know that there are companies and online platforms that bring together brands and social media influencers? Some influencers even go beyond promoting other products and create their own product lines or earn money through affiliate marketing. But let me tell you, this is not something that happens overnight. It usually takes several years before you can start making money this way.

How We Choose the Best Businesses to Start with Less Than $1000

When we look at businesses that can be started with $1000 or less, our approach involves considering key factors that are essential for the successful launch and long-term sustainability of low-cost business ventures.

When it comes to choosing the best business opportunities for entrepreneurs with limited capital, I use a rating scale from 1 to 10. This scale helps me identify ideas that not only make financial sense but also have the potential to grow and be profitable.

How much money you’ll need to start (Rating: 9/10)

One of the things I look at is how much money you’ll need to get started. I focus on ideas that can be realistically launched with $1000 or less. The lower the upfront investment and operating costs, the better the rating.

Meeting market demand and making profits (Rating: 8/10)

Another important factor is how well the business idea meets market demand and its potential for profitability. I look for ideas that serve a clear need in the market and have the potential to make profits through a low-cost model. Ideas that meet these criteria receive higher ratings.

Skills and Knowledge Requirements (Rating: 7/10)

I evaluate how much specialized skills or knowledge are needed for a business idea. I prefer ideas that use skills many people already have or are easy to learn, so more people can try them out.

Scalability and Growth Potential (Rating: 8/10)

I consider how much a business can grow in the future. I like ideas that can start small but have room to grow and expand, even if you don’t have a lot of money to start with.

Flexibility and Work-Life Balance (Rating: 9/10)

I look at how flexible a business is in terms of work hours and balancing work with your personal life. Businesses that let you work at different times and still have time for yourself score higher in my evaluation, especially for people starting small businesses.

Easier Marketing and Getting Customers (Rating: 8/10)

I’m here to talk about how easy it is for a business to attract and keep customers, especially when using inexpensive marketing strategies like social media and word-of-mouth. If a business can use these low-cost methods effectively, we give it a higher rating.

Following the Rules and Regulations (Rating: 7/10)

I want to make sure we look at the legal and regulatory requirements for starting and running the business. We prefer business ideas that don’t have a lot of rules to follow and legal complexities to deal with. It’s easier to set up a business when there are fewer hurdles to jump over.

Being Different and Innovative in the Market (Rating: 7/10)

Let’s consider how unique and innovative the business idea is. We like ideas that offer something different or fill a special gap in the market. These ideas have more potential to stand out and be successful.

How Can I Choose the Perfect Business Idea for Less Than $1,000?

Okay, let’s figure out how to find the best business idea for you without breaking the bank. Here are some steps to help you out:

  1. Get to Know Yourself: Take a moment to think about what you’re good at, what you love doing, and what you have experience in. This will give you a good starting point and help you figure out what kind of business idea could work for you.
  2. Study the Market: Once you have an idea of what you’re interested in, it’s time to do some research. Look into different business ideas and see if there’s a demand for them. You’ll also want to consider how much competition there is in that market.
  3. Start Small: Since you’re working with a tight budget, it’s important to find a business idea that doesn’t require a lot of money upfront. Look for opportunities that you can start from home, online, or with just a few essential tools or equipment.
  4. Think About the Money: Of course, one of the most important things to consider is the potential for profit. Take a look at each business idea and think about how much money you could make. Consider things like pricing, recurring revenue opportunities, and if the business has the potential to grow.

By following these steps, you can find a business idea that fits your skills, interests, and budget. Good luck!

When starting a business, there are a few important things to consider. First, I need to assess the feasibility of my idea. This means I need to think about whether or not it’s possible to make my idea a reality with the resources and budget I have. I should avoid choosing a business idea that exceeds my financial constraints.

Next, it’s crucial that I choose a business idea that aligns with my passion and interests. Running a business can be challenging, so being passionate about what I’m doing will help keep me motivated and excited about my work.

Now, let’s talk about some tips for starting a business on a tight budget. One of the first things I should do is create a detailed budget. This means I need to prepare a comprehensive plan that outlines all of the expenses I’ll have, such as equipment, supplies, marketing, and licenses. It’s important to stick to this budget and avoid spending money on things that aren’t necessary.

Overall, starting a business can be challenging, but if I take the time to assess feasibility, choose a business idea I’m passionate about, and create a detailed budget, I’ll be setting myself up for success.

  • Make the Most of Free or Affordable Tools: Don’t overlook the value of free or cheap tools that can help you with tasks like building a website, creating graphics, and promoting your business on social media.
  • Cut Down on Costs: One way to save money is by working from home or sharing office space instead of renting your own. You can also try negotiating with suppliers for better prices and look for cost-effective deals.
  • Focus on Smart Marketing: You don’t have to spend a fortune on advertising. Instead, use digital marketing strategies like social media, creating valuable content, and running email campaigns to target your desired audience effectively.
  • Deliver Outstanding Customer Service: A happy customer is likely to recommend your business to others. By providing excellent customer service, you can build a loyal customer base and generate positive reviews.
  • If you’re thinking about starting your own business but don’t have much money to spare, I’ve got some great advice for you. Starting small and scaling up is the way to go!

    • Start Small and Scale: Start with a basic product or service and get feedback from your early customers. Listen to what they have to say and use their input to make improvements and expand your offerings over time.

    Exciting Strategies for Supercharging Efficiency in Low-Cost Startups

    Embracing the Power of Technology

    We live in a digital world, my friend, and that opens up a world of possibilities for small businesses with limited funds. By using online tools and automation, you can make a big impact without breaking the bank.

    Take advantage of free or affordable digital marketing tools to get the word out about your business. Automate those repetitive tasks that eat up your precious time. And with project management software, you can keep everything running smoothly.

    Going Lean to Get Ahead

    A streamlined business plan aims to reduce waste and increase value. When you’re just starting out and don’t have much money to spare, it’s important to be smart about how you spend it. This means avoiding unnecessary expenses and putting your resources towards activities that will directly bring in money. You also need to constantly evaluate your business processes and look for ways to operate more efficiently.

    Creating Valuable Partnerships

    Teaming up with other businesses or individuals can open up new opportunities for you. By working together, you can gain access to new resources, skills, and customer bases without having to invest a lot of money. This could include trading services, doing joint marketing campaigns, or collaborating on projects that benefit everyone involved.

    Focusing on a Specific Market

    If you want to be successful as an entrepreneur, it’s important to focus on a smaller, specific group of customers. This is called a niche market. By doing this, you can make sure your marketing efforts are more effective and you have less competition.

    How Community Resources Can Help You

    In many communities, there are resources available to support small businesses. These resources include things like business incubators, local networking events, and training programs that are either free or low-cost. It’s important to take advantage of these resources because they can provide you with valuable knowledge, mentorship, and connections that can help your business grow.

    Why Customer Experience Matters

    Even if you don’t have a lot of money, focusing on making your customers really happy can help your business grow. When customers love what you do, they’ll tell their friends and keep coming back to buy from you again. This is a smart way to make your customer base bigger without spending a lot of money. To make this happen, it’s important to understand what your customers want, give them great service, and build strong relationships with them.

    Discovering New Ways to Make Money

    If you want your business to be stable, it’s a good idea to make money in different ways. For example, you could sell things that go well with what you already offer, try charging customers on a regular basis, or create digital products that relate to your business and make money even when you’re not actively working.

    The Secret to Succeeding with a Small Budget

    When it comes to starting and growing a business with less than $1,000, it’s like mastering an art form. You have to be creative, quick on your feet, and think strategically. But don’t worry, because I’m here to show you how you can do it. Just keep reading!

    First things first, let’s talk about the digital tools. They’re going to be your best friends on this journey. With the power of technology, you can reach potential customers all over the world without breaking the bank. Embrace social media, build a website, and use online advertising to spread the word about your business.

    Now, let’s talk about the lean business model. This means being efficient and making the most of what you have. Instead of spending money on fancy office spaces or unnecessary equipment, focus on the essentials. Keep your costs low, and invest your limited resources wisely.

    Strategic partnerships are another secret weapon. Find other businesses or individuals who complement what you do and collaborate with them. By joining forces, you can share resources, tap into new markets, and reach a wider audience. It’s a win-win situation!

    Speaking of markets, niche is the way to go. Instead of trying to appeal to everyone, specialize in a specific target audience. Find a gap in the market and fill it. This way, you can establish yourself as an expert in your field and attract loyal customers who appreciate what you offer.

    But that’s not all. Community resources are invaluable. Look for local organizations, business development centers, or mentorship programs that can provide support and guidance. They’re there to help you succeed, so take advantage of their expertise.

    When it comes to sustainability, customer experience is key. Focus on providing excellent service and building relationships with your customers. Happy customers will become repeat customers and recommend your business to others. It’s all about creating a positive and memorable experience.

    And finally, don’t be afraid to think outside the box when it comes to revenue. Explore alternative streams of income that complement your main business. Maybe you can offer consulting services, create an online course, or sell related products. The possibilities are endless!

    So, what’s the most profitable business you can start with $1,000?

    There are a lot of industries and successful business owners that have made a lot of money starting with less than $1,000. Your best business idea might be different depending on what you’re interested in and good at. But online businesses like consultants, social media managers, and influencers often make a lot of money quickly. And service businesses like photographers and auto detailers can be very profitable too.

    What Are the Cheapest and Easiest Business Ideas to Start?

    The cheapest and easiest businesses to start are usually the ones where there’s already a process or a place where you can find customers once you have something to sell. For example, you could start a virtual assistant business and use online job sites to find clients. Or you could make something by hand and sell it on online marketplaces.

    What Are Some Small Town Business Ideas to Start for Less Than $1,000?

    There are affordable options for starting businesses in small towns, especially those that offer services and can be operated from the comfort of your own home. For instance, you could provide local moving services, offer handyman repairs, or even provide landscaping services.

    Can You Start Your Own Business for Less Than $1,000?

    Absolutely! Many types of businesses, whether they cater to other businesses or consumers, can be started with minimal upfront costs. Even businesses that sell products don’t necessarily require a large amount of capital. Most successful business owners who begin with less than $1,000 often opt for online business ideas, such as becoming a virtual assistant, creating affiliate marketing sites, or running dropshipping businesses.

    Conclusion: Entrepreneurial Ventures Under $1,000

    Busting the Myth of High Capital Requirements

      Opportunities for Everyone

    • Accessible Opportunities: You don’t need a lot of money to start a business. With a budget of less than $1,000, you can begin various types of businesses.
    • Diverse Industry Reach: These opportunities are for everyone, no matter your interests or skills. Whether you’re a seasoned entrepreneur or just starting out, there’s something for you.

    Welcome to the World of Online Business

    • Digital Entrepreneurship: The internet has changed the way we do business. Now, online ventures like affiliate marketing and e-commerce are becoming more and more popular.
    • Low Entry Barriers: One of the great things about online businesses is that you can reach a global market without having a physical store or needing a lot of money to invest.

    Following Your Passion and Expertise

      Passion-Driven Success

      When you have a real interest and knowledge in your business area, it can attract customers and help your business thrive in the long run.

      More Than Profit

      Starting a business isn’t just about making money. It’s about fulfilling your personal and professional goals and dreams.

      Patience and Perseverance in Business Growth

      Building a profitable business takes time and dedication. You have to continuously work hard and adapt to the changes in the market.

      Success often doesn’t happen overnight. It requires patience and resilience, especially if you have limited initial funding.

      Resourcefulness: A Key Entrepreneurial Trait

      To succeed as an entrepreneur, it’s important to be resourceful. You can make smart use of digital tools and platforms to save on startup costs.

      Getting Smart with Your Finances

      When it comes to running a business, it’s important to make wise financial choices. Being knowledgeable about your finances can help you maintain a cost-effective business model that keeps expenses low.

      Embracing Growth

      Even if you start with small beginnings, it’s always good to have big dreams. Aim to expand your business over time and explore opportunities for growth. With the right planning and effort, you can achieve remarkable success.

      As your business grows, consider reinvesting your profits back into the company. By using your earnings to enhance your business, attract new customers, and diversify your offerings, you can keep your business fresh and appealing.

      Building a Strong Network

      No one succeeds alone. Connect with mentors, advisors, and other entrepreneurs who can offer guidance and support. Building a supportive network can be invaluable as you navigate the ups and downs of running a business.

      Don’t be afraid to tap into external resources as well. Seek out community programs, online forums, and networking events to gain insights, encouragement, and valuable connections. There’s a wealth of knowledge and support waiting for you out there.

      I wanna talk to you about starting a business with less than $1,000. It’s totally possible and actually pretty cool in today’s world of different kinds of entrepreneurs. If you’re creative, passionate, and smart about your money, you can take your small amount of cash and turn it into a successful business.

      So, here’s the deal: you gotta choose a business that you really love and that can make use of the internet. It’s also important to pick something that has the potential to grow. Being patient, pushing through tough times, and being resourceful are super important on this journey. Oh, and don’t forget to build a network of people who can support and guide you along the way.

      Now, there are so many different business ideas out there these days. It shows that no matter how much money you start with, you have a chance to succeed.

    • Want to know how to write a business plan? Check this out!
    • Here are 9 things you absolutely have to do today to make your small business grow.
    • Got less than $100 to invest? No problem! Check out these 20 low-cost businesses you can start.