When I first registered on the website I could hardly find any articles that were the "beginner" category. After few months I came back and started writing. Two days later I was on "skilled" level and had $30 on my account and it was close to Friday (when freelancer get paid through PayPal). The next morning when I went on the website, my account was frozen and guess what? I didn't get paid!
Not only the support didn't tell me any reason (apparently they can't), but I did not receive my money, no matter how many times I've tried to get it back.
Just don't do it! There are many websites which actually have contract and a support that doesn't steal your money!