If you have previous experience as a computer programmer, or have skills in this field, then there is plenty of work you can pick up as a freelancer. If lack of confidence is holding you back, then Free Code Camp is an excellent way to get your foot in the coding door. This organization provides free courses where you will build real-life apps and programs, giving you experience and plenty to add to your CV.

Normally you’ll be asked to test a few websites by visiting them and to document and record your reactions and thoughts as you go through it. It’s really easy to get set up making extra money online by testing websites. All you need to do is sign up to the following services: UserTesting.com, Userlytics, TryMyUI, Userfeel, TestingTime (UK only), or Side Income Jobs.
MemberPress is a feature-rich plugin that will enable you to turn your WordPress blog into a fully functional membership site. Depending on how you want to run your membership site, you could have a mixture of free and premium membership plans. Premium plans could include no adverts, free downloads, access to extra content, membership forums, and much more. However, it is important to remember that if people are going to pay to view your content then it must be high quality. Otherwise your members won’t renew their subscriptions when the time comes.
If you are a professional photographer, or have a real flair for photography, then selling your images on other sites could be an idea. This could be done alongside your own photography site, as it is a good way help get your work viewed by a wider audience. There are numerous stock image websites to contribute to, but choosing a popular high-end site like Shutterstock should ensure your photographs make you some money.
As well as selling your eBooks, Amazon can also create paperback copies of your book. CreateSpace, an Amazon-owned company, will help you self-publish your book. A relatively straightforward process, you must upload your work to CreateSpace and submit it for review. Your book will then be displayed on Amazon, and printed on demand and shipped by CreateSpace when purchased. And you can collect up to 70% royalties for each book sold.
Mechanical Turk: Amazon's Mechanical Turk is a resource for doing human-intelligence tasks, or as the site commonly refers to them, HITs. You get paid a very small fee for any given HIT and you'll need a good deal of volume to make a substantial amount of money. But it is a resource you can use in your spare time to generate a small income online. 
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. 
If you have your own eCommerce store, social media is the perfect platform to showcase your products. Demonstrate your products in use and tell your social following why they need to buy your merchandise. Most social media channels allow you to add ‘buy’ buttons your pages, allowing your followers to easily click through to your site and make a purchase.
Last but not least, you can also earn money online by building an online community, although the monetization strategies you can pursue will vary a lot depending on your goals. You can build a community with a blog, for example. You can also build an online forum and charge people for membership. You could even build up a Facebook group and use your influence there to sell and promote products.
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