two. Auction winners are supposed to pay for the product they won within 3 days after the auction ends. If there is any reasonable reason not to accept the product, please contact us in advance. We are not willing to leave negative feedback for non-paying bidders. Simply wait until all auctions are over and complete checkout from the most recent email or any auction page after you finish bidding. Please leave us positive feedback if your items arrived in good condition. We will automatically leave you positive feedback after receiving your positive feedback. Please contact us before leaving neutral or negative feedback, we always provide the best service.