Whenever you buy something off Ebay go to retailmenot.com and seartch for disxcount codes for "ebay.com" I just bought a tub of NO Xplode (bodybuilding shit) and used a discount code and it cost me nothing, you read it, nothing. Loads of discount codes there and one's for loads of other sites too.
Just placed 25 different bids for Uncharted: Drakes Fortune soon as i want to play ti again, hopefully i'll win one of them lol.