[stackskipton]

My guess is there is no easy way to deal with chargebacks and they would probably be bad.

It would almost need to be analog. Fill out this form and drop it in the mail with 10 bucks inside.

[thfuran]

Placing holds on money on a credit card is totally normal. Hotels do that all the time.

[CamperBob2]

My guess is there is no easy way to deal with chargebacks and they would probably be bad.

Sure there is. That would be casus belli for a real ban.