Start a bed and breakfast. If you live in a popular resort area or own a historic property, a B&B might be the perfect side hustle. Not only can you work at home with this career, but you’ll also score some tax write-offs in the process — although most innkeepers caution that the profession requires a lot of hard work and is more of an attractive lifestyle than a money-making pursuit.
Expertise is another matter, but remember that writing can take many forms—from resumes to news articles to marketing materials and even thank-you notes. (You can even write for businesstown.com, although that gig doesn’t pay … yet.) There’s probably some form of writing you’re qualified to do. Plus, if you’re good enough with grammar and punctuation, companies will pay you to be a freelance editor. One friend made good money editing posts on a popular travel site.
Fiverr: Israeli-based Fivver was started in 2010 by Shal Wininger and Micha Kaufam. It's a great resource for selling just about any service online. You can offer gigs as low as $5 but also get paid much more for upgrades and add-ons. There are plenty of providers earning 6 figures on Fiverr so it's definitely a worthwhile cause for generating a healthy income. Just ensure that you provide some serious value. 
So, I put together a free master course for you to take that spreads out all of the work involved in starting a blog, into a series of action-packed lessons. My free course breaks the entire process of starting a blog down into an incredibly simple 7-day process for going from 0 to publishing (and promoting) your first blog post in just 1 week. I can't recommend it enough.
But be wary. Food service—even a delivery service, which is the most likely scenario for home bakers, as opposed to setting up a storefront—comes with built-in risks. Prepare yourself, and read up on your local insurance requirements. And don’t be afraid to start out by making just one or two really great treats. Consistency is more important than variety in the baking business.
Do you see all of those articles, tutorials and guides all over the Internet? Somebody wrote every one of them! If you have decent writing ability (no, you don’t need a journalism degree!), and knowledge in a few specific topic areas, you can be one of those writers. It’s an opportunity to make money online and without ever leaving your home. It’s also the kind of venture that can start out as a small side business, but grow into a full-time career.
The audiobook industry is booming, yet only 5% of books ever get made into audio format. If you’ve got a background in acting, or if people have said you’ve got a voice made for the radio, you can make extra money recording audio versions of independent and popular books. Sites like ACX connect authors with audiobook performers. So, whether you’re an author looking for more ways to sell your book, or an actor/voice actor looking to make some extra income, you can sell your services online.
Are you an extrovert that loves meeting new people? Selling insurance products—particularly life insurance—may be a great way to bring in some extra cash and build residual income in your spare time. Selling life insurance on the side could quickly generate a consistent $1,000 - $2,000 per month depending on how much time you invest in this side business idea. To get started you’ll likely want to take an online course to brush up on the subject matter, and then pass a state licensing exam. The biggest challenge you'll face as a new agent is generating sales beyond just helping out friends and family. From there, it’s all about networking and lead generation to grow this one. Learn more about this side business idea with this getting started in life insurance guide from the team over at NoExam.
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.

Many families with kids, including single-parents, have very limited time resources, creating a demand for part-time child care providers (and a business idea opportunity for you). If you love kids and have some spare time, you can earn plenty of side income by looking after children while their parents are away. Just be sure to identify the particular age group you're comfortable caring for and you’re all set after any necessary certifications. Establishing a home-based daycare center capable of servicing six or more kids is also a lucrative way to really expand upon this business idea if you have the right environment for it.

If you know a thing or two about paid internet marketing and are comfortable with Google, a great way to make some extra income as a side business idea is to sign a freelance contract to manage a company’s Google Ad Campaigns, and gradually start bringing on more clients as your consulting business grows. Just be sure to brush up on all the right business slang and industry jargon that's pervasive in the online marketing world before you launch unprepared into this side business idea.
This has become a popular business model for online entrepreneurs over the past several years, and will probably just continue to grow in popularity. The best thing about selling online courses is that once you do the up-front work in creating the course and setting up your marketing strategy, you can get paid over and over again for work you do once.
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