It doesn't take much time to run across someone pitching a "get-rich-quick" scheme online. We've all seen them — people who promise to show you how to make thousands at home in your spare time. Guess what? Like any get-rich-quick scheme, it's only going to make money for the person running the scheme. That doesn't mean there aren't reputable ways to earn a little bit of money online during your spare time. There are many easy and legal ways to earn a few bucks on the internet. Here are nine to try: 1. Mechanical Turk Mechanical Turk is run by Amazon. Anyone can sign up and complete simple tasks — like choosing which of two pictures depicts a bridge — to earn a few cents per task. With some practice, you can earn a few dollars an hour while just sitting on your couch watching television. And with enough focus, you can earn an amount roughly equal to minimum wage. 2. YouTube YouTube allows anyone to post nonexplicit videos on pr...