I recently came across this ebay sponsored site when I was searching for paypal coupons. Bigcrumbs refunds you 36% of the sellers ebay fees (including all insertion and final-value fees) each time you win an auction. You can also use this more than once!!

                                                                                                                                                                                                                                                                                                                                                                               The The link below is to the Bigcrumbs information page (in case you're interested):