Sites like fiverr. com and zaarly. com allow users to make money from performing small gigs. If you have special talents or skills, you can have people pay you to perform small jobs. These types of marketplaces attract people from all over the world trying to learn how to find free money, so if you are willing to put in the time, then there's definitely someone out there willing to pay you for it.
Log in to one of these sites to get a good idea of what people are offering. If you want to maximize your earnings, try to offer a gig that many people are requesting. You can make a bit of money when you offer people great services at an affordable price. Just be careful; you don't want to spend hours on a gig that only makes you a couple of dollars.