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.
Providing coding or fixing other Webmasters' issues is another great way to earn extra bucks. There are simple jobs ranging from adding a script to setting up sites, but knowledge of Web coding is essential. One can offer support for Web CMS (content management systems) like Drupal or Joomla. After you are comfortable with your own installation, you can help other people to set these up and configure them.
If you want to clear some space out in your house and have a big stack of books you’ve been holding onto for too long, you can make money selling your books and textbooks online. Stores like Half Priced Books and others will give you cents on the dollar for each of your current books while you can check what your book is worth by simply entering the ISBN number on Book Scouter.
Tools & Resources: I’ve written a pretty comprehensive guide on the best web design software that covers both free and premium software packages. If you’re serious about becoming a web designer, then I recommend purchasing the full Adobe Creative Cloud Suite. At $49.99 per month, this is probably a bargain considering what you can achieve with this set of tools.
Udemy is one of the world's largest platforms for selling online courses for just about any topic or subject. As long as you have the proper skills, you can likely teach those skills on a platform like this. However, don't expect it to be easy. Fierce competition means that you need to deliver loads of value and expertly market your course online if you're going to make any respectable amount of money.
With apps being constantly developed, competent app developers are in high demand. Again, if you have the experience or skills to create successful apps then this could be something you could end up working on as a full-time freelancer. Check out adverts for developers on Toptal, a higher paying jobs site for experienced freelancers wanting to make money online.
Sign up for a reputable affiliate network: Aside from Amazon, there are dozens of large reputable affiliate networks, such as Share-A-Sale, Clickbank, and Skimlinks, that specialize in connecting you with merchants who are looking for affiliates to sell their products. They charge relatively low commission fees for the privilege of connecting you with merchants, and the merchants on these sites tend to offer much higher commission percentages or set dollar amount payouts.
Running and charging for webinars can be a great way to build a following in your niche, demonstrate that you are an expert in your field, and make a profit. Hosting a webinar can be hard work. They need to first be promoted, provide original and valuable information, and include interactive elements so your audience can ask questions and engage with your topic. However, once you have built up a large blog following, each webinar can be extremely profitable.
Using a food delivery service can’t necessarily earn you money, but it can help you save you money if you constantly find yourself throwing out half the food you buy. Food delivery services send a box of food every week with new, sometimes unique vegetables, meat, fruit, and so on. If you don’t have time to shop and want simple meal-prep that leads to a good meal, a food subscription service may be perfect for you.