You must then contact the seller within three business days. You have to wait until the end of the auction and until the reserve price is reached. You will be automatically notified by e-mail, if you won the bid. On My Account you can, at any time, verify the status of your bids. In general it is not possible to retract a bid once it has been placed.
All bid is deemed as final.
The seller has agreed with your request to withdraw from the bid. There you can see a list of all maximum bids you have placed so far. This does not happen very often because the sellers normally are impatient to sell their items. Should a seller refuse to sell his item, this manifests a violation of the User Agreement . In most case if seller never contact you or reply your email, please wait for at least three days before taking more action.