You could you eBay Answer Center / Answer Center, when you have got an unusual case. Check it here: http://community.ebay.com/t5/My-Account/qa-p/my-account-ac
Seller note: “ Please see condition notes below before bidding. Non-paying buyers will be reported to ebay. If you or your 'child' win this item by 'mistake' you are responsible for cancelling the transaction. Failure to pay will result in the ebay unpaid item process starting. ”