Allowing your bidders to have a credit card on file before bidding is a great way to speed up the end of auction process.
Before a bidder can place a bid, they will be required to enter credit card details.
Here's how to activate this feature:
1) Click "Auctions" on the far left.
2) Click on "Manage Auctions".
3) Click on the Name of your auction.
4) Click "EDIT".
5) Scroll down and find, Pre-register Credit Cards". Click "Yes" to activate.