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.
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No matter what you do to make money online, promote it on your social media accounts. You have a base of people who are already interested in you and have a vested interest in your brand – why would you not want to take advantage of that? By promoting yourself and your projects on your social media accounts, you’re greatly increasing the chances of people actually giving you money in exchange for your goods and services. Stop being shy and get out there.
If you have a business, you want to get listed on Yelp! You may not use the software, but some people do, and they use it religiously (and I don’t mean they’ll kill you over it). By listing your business on Yelp!, you’re putting yourself on the map. From here, you also need to start using Yelp! Write reviews of places you go. It’ll be worth it in the long run.