They sell tickets that don't exist yet. So theoretically, they could sell 4000 tickets but only get hold of 3000. It's a risk.
A mate was there with a ticket from Ticketbis on Sunday, and didn't have any problems. You're going to pay hugely over the odds of course, but there you are.
Is their mark up more than a regular tout if I waited until the day of (very risky I know.)
How likely is it that some real villa fans in the pubs around the ground might have spare tickets because people have dropped out at the last minute due to illness etc.?