"Winner can't leave negative feedback for sel ... " (more)ler when: •Listing completes normally When credits are transferred to the seller from the winner without any form of dispute, the winner can't leave negative feedback for the seller. If the exchange warrants negative feedback to the seller, the winner should file a request for their credits to be returned. •Listing winner didn't respond or refused to pay shipping If a winner does not fulfill their end of the exchange (not responsive, refused to pay shipping, decides they don't want the item, etc.) the seller will keep the credits and the winner can't leave negative feedback for the seller. This is to protect sellers against getting negative feedback from unresponsive or uncommitted bidders. "