A Buyers Premium is an extra fee you can add onto the final invoice that forces the winning bidders to pay. This can be a percentage or a fixed dollar amount.
Example "$2.90 - Credit Card Processing Fee"
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 "Buyers Premium". Click "Yes" and enter the "Premium Name" you want displayed to the winning bidder. Next choose the "Premium Type" and enter the amount or percentage of the fee.