Better yet, you can even upload your own book to one of the world’s largest book sellers: Amazon. With Amazon self-publishing, you set the price, retain the rights to your book, and get access to Amazon’s massive audience. For every sale, you keep 70% with Amazon taking the remainder as a fee. If you want to get started, check out Leslie Samuel's great guide to selling eBooks online or follow Tara Gentile on CreativeLive as she shows you how to use your existing body of work to write an eBook within the next week. Who knows, you might just write one of the best business books of this year!
Success Tips: You should have human resources job and staff training experience, and/or formal education in this field. Be knowledgeable about what skills workers will need to have to ensure your clients’ businesses will continue to be competitive and increase their profits. Market your services through referrals and by offering presentations to business owners’ organizations.
OneOpinion— signing up is completely free, as it should be. This survey site, like many others, works on a points system: 1,000 points = $1. Once you reach 25,000 ($25), you can choose to cash out via PayPal or an Amazon gift card. OneOpinion also offers product testing, which means you have the opportunity to test new products at home before they hit the market.
Build up a following on your Instagram account and you could quickly be making extra money online. Major brands, gear companies, and even startups are willing to shell out $500-$5,000+ per post to get in front of your audience. While it’s getting harder and harder to build a massive Instagram audience, if you already have a solid niche and are posting quality content regularly with a great camera for taking Instagram photos, with a few small tweaks you can make yourself an influencer. Check out this awesome article from Shopify on how to build and grow your Instagram following to get started.
If you speak like James Earl Jones or Scarlett Johansson, quite a number of digital publishers (including game developers, animated film-makers, and training video producers) pay good money for voice talent and the time investment isn't too intensive—making this a great side business idea. You can find these publishers looking for voice-over artists on sites like PeoplePerHour, Freelancer and Upwork, as well as their calls for talent directly on their websites or through voiceover agents. If you do pursue this as a side business idea, be prepared to invest for the long-haul as it can be a very competitive industry.
With nearly 100,000 different custom extensions both free and paid available in Google Chrome's marketplace, there's a huge opportunity for creating a useful extension for people to use while browsing the web as a low effort business idea. One of my favorite Chrome extensions, Yet Another Mail Merge, which enables you to send bulk customized emails from within Gmail, gives you 50 free credits to send emails and gives you the chance to upgrade to a paid account to unlock more sending—a great upsell for the people who are getting value from the extension. Even free Chrome extensions like SVRF Tabs by SVRF, which replaces your new tab with stunning VR and 360º images, have the potential to bring in new users and eventually drive revenue for the startup's core business. Another fun example from a friend of mine, Kathleen Garvin, is Hide images with NOPE, a Chrome extension that hides images on the web pages you're browsing—to help eliminate distractions and keep you from seeing images (like those of certain politicians) that you may want to hide. This side business idea is particularly great because it also allows you to showcase your development skills—which can be put to work as an adjacent side business idea on a freelance basis alongside the Chrome extensions you launch.
Multi-vendor marketplaces, like ThemeForest, can be very successful. Chose a niche and create a vendor website for it. Your marketplace could be anything, from a platform for local artists to sell their work on, to an online digital product store. Once set up, invite people in that industry to sell their products on your site. You take a percentage of their profits when items sell.
If you want to find a profitable online course idea in the next 3 days, join my free online course Find a Profitable Business Idea today. It'll walk you step-by-step through the process I've used to generate more than $15,000 in online course sales in a single week. Then once you're ready to start teaching your own online course, I recommend using Teachable, the easiest and most affordable platform to use for creating, hosting and selling your online courses. They also have a ton of free educational resources about how to get started with creating an online course (yes, even as a side business idea) when you sign up right here.
Notice the "may be". Although there are many entrepreneurs that make an excellent living at home in professions such as consulting or information technology, the home businesses listed here are not generally big money makers. They are however, legitimate businesses rather than "make money in your sleep" or any of those other phony work from home schemes.

Whether it’s an important consumer application, a specialist app to solve a particular niche problem, or even a time-wasting game you can play on your phone, you can create a massively successful business if you build software that helps people. (Look at the rise of Slack—the team communication software that went from side project to billion-dollar company in just 2 years.)
All homeowners are always on the lookout for ways to save on their utility bills. You can come to their aid by providing them with an audit of their house and giving them a breakdown of how they could accomplish real savings in heating, cooling and electrical use. You can go one step further and do the implementation and installation of some of your suggestions in their home yourself. Do a complete appliance audit, with efficiency ratings and calculations based on the age of the appliance. And don't forget the water heater!
25. Products – You can create your own product, such as an ebook or computer software. You would then use your blog as a promotion tool to get people to buy your product. As long as you create a legitimate product with a whole lot of value, you should be able to get some buyers, but like everything else with a blog, you’ll need the traffic to get the sells.

You’ll almost certainly need at least an undergraduate degree to qualify for many online teaching jobs for K-12 online schools, universities, and other virtual education organizations. Often, employers prefer some experience in teaching students online. For jobs at the college level or higher, a post-graduate degree is a common requirement, along with professional experience in the pertinent subject area. Requirements can vary for tutors; for example English as a Second Language or ESL certification may be required to teach English to people who speak other languages, though you may not need to be bilingual.
For some people, work just has to be in an office, factory, store, or any other environment that’s separate from home. Even a second job would have to be in a separate place. For others, a home office is a welcome place for a secondary or even a primary job. If you’re one of those people, you have some unique opportunities, but you also have some very particular challenges of working from home.
My next self-funded business hit $160,000 in revenue in its first year alone. After that first taste of self-made success, I’ve gone on to sign consulting contracts worth tens of thousands of dollars with startups like LinkedIn and Google, launch profitable online courses, and build a following of hundreds of thousands for this blog and my podcast series.
As far as the work itself, there’s a good chance you’ll need a virtual private network (VPN) to safely connect to your company’s system, as well as some measure of organizational skills (tip: you can use organizational tools, like Trello) to make sure you’re on top of current projects. The payoff for full-time computer programmers is lucrative, and the average annual salary is over $60,000 according to Payscale.com.
Please note that some of the links below are affiliate links and at no additional cost to you, I will earn a commission. Know that I only recommend products, tools and learning resources I've personally used and believe are genuinely helpful, not because of the small commissions I make if you decide to purchase them. Most of all, I would never advocate for buying something that you can't afford or that you're not yet ready to implement.

I overheard my wife talking to a homeschool mom that raises and sells a certain type of dog (a registered breed of some kind) ranging from $1,000 to $1,800. I also know a couple teens that started a bread business where they sell the product at the local famer’s market and local stores. The product(s) have been so successful, most of the family has been involved in it.

While this is not technically “at home,” you can still earn great money without ever getting on the phone using your personal car, bike, or scooter to deliver food, give people rides, and even picking up groceries. The great thing about these companies is that it's also very flexible work. No one is telling you when to start and stop. You just do as much work as you can, when you can.
And freelance coder is an especially great one, since it’s already such a commonplace gig. Whether you want the flexibility of being your own boss, enjoy taking on a wide diversity of projects rather than working with a single company, or prefer to travel instead of staying in one place, you’ve got many reasons to pursue freelance software development—even though technology companies and startups offer their own perks as well.
With the rise of online craft marketplaces like Etsy, people with decent artisanal skills like sewing and woodworking have an always-open market to sell their products as a side business idea. If you’ve always wanted to design and make clothes by hand, then you can start turning those fashion ideas into real, hand-sewn garments and earn a little bit with this side business idea while you sleep and customers from around the world browse your Etsy & Amazon stores.
Affiliate marketing presents a very low friction entry into selling products online. While you do need some type of audience to sell these products or services to, you could make a significant amount of money from home while doing it. Some products or services have very high earnings per click. That means, if you play your cards right, you could easily make a large profit on conversions by driving traffic to specific offers as long as you target the right interests.
Do you have a room that has its own bathroom and is private from the rest of the living space? Are you near attractions such as a tourist area, sports stadium or venue for a large annual event? Or is your home in the country with spring peepers, summer crickets and crisp fall nights that could give a city-dweller a weekend of peaceful living? Say you can rent the room for $150 a night for Friday and Saturday nights 48 weeks a year--that's $14,400 in revenue! Utilize what you have and create a unique experience.
Of course, successful writers need to have a firm grasp on grammar and tone, superb editing chops, and the ability to do their own research and synthesize content that they might be unfamiliar with. It could help if you become an expert in a few different fields, like technology or small business finance, and it’s always important for all freelancers to know how to market themselves and network with potential customers.
You'll also need ecommerce software, fulfillment software, worry about warehousing, customer service and refunds. But that's not all. You'll also need traffic. Think search engine optimization, Facebook ads, and other social media campaigns. It is hard work, especially on your own. You could opt for Amazon's platform, which might be the easier route. But, then again, at the end of the day, this is a serious business, which could produce significant profits. So you're either all in or you're not. 
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