Paypal.
that's true ,handsonhosting. further more, To keep the expense down, I suggest you use at here at paypal
[QUOTE=Plexihost;125811]It appears Payoneer offers payment processing, but it is quite expensive ($1-$2 per payment received) and it isn't an option in WHMCS: http://www.payoneer.com/PayoutsWebBased.aspx

You should first decide which billing software you are going to use and make sure it is going to work with your payment processor.[/quote]