really sorry but im in a bit of a pickle...

basically i asked people to bid on my bodykit on ebay... and they bid over the reserve for me.. but i got an email from a guy who doesnt have an ebay account but who is coming to buy on sunday for £300... but now i dont want this other guy who was doing me a favour to ahve it looking like hes won... so can i bid say... £500 on it under my mums ebay account, so as to prevent any last minute bidders going for it cos nobody is going to pay that much...

... but does that mean i will pay loads for the listing? does it go on a % of the final sale price? i cant cancel it as the auction ends in a few hours but i dont want to mess things up...

any help much appreciated xx

katie xx