its some kind of mudos now a days, some people searching for online jobs and asking you to pay for a reg.fee or something that there are free online jobs but its not pay when you reach the maximum cashout.. its so annoying that your effort is just gone quickly.
to aware some kind of online scammers be more careful and and make sure that you joining in a legit sites just try to review the websites if its pay or not and just ask them to show proofs so that you can secure to your money