ProfitBit is it legit?
NO. It's a ponzi site
Anyone tried?
I doubt anyone will say that he tried
Do they pay?
No. They offer 200% returns, they are absurd returns. quite frankly. You must not have believed it, right?
Looks like a scam but I'm not sure.

We are talking about 200% return.
Think, how many people would be millionaires if an investment company offered a return of 200%, nobody would need to work, steal or become a mercenary.