It's all about educating yourself. I'm a college student currently making $5-10k a month online I spent over 4 years educating myself and I can finally say I mastered it. I was able to buy my first car, apartment and pay 65% of my tuition in cash.. Yes I said cash.
You can join any business in this world MCA, WUN, Infinity Downline, etc. But if you don't know how to drive traffic, get leads, and make sales you won't make a dime. I can help you.. My website is amberspayday.com once I see your email on my Downline I will contact you and work 1 on 1 with you. And my blog leadlightning.wordpress.com for INFO.
If you could earn a decent amount of money online we would all be doing it instead of earning lots of points repeating this dozens of times every day.
To make money online you need to have a product or service that other people would be willing to pay for.
There are no legit money making sites.
http://www.fiver.com is an easy way to make little pocket money through freelance writing. If you are wanting to earn more become a marketing affiliate at http://www.ipas2build.com. Be sure to read the income disclosure.
sell stuff on line
surveys.