An invoice will be sent to the winning bidder shortly after the auction ends with a total. A response to your invoice is required WITHIN 24 hours after your invoice is sent just to let us know you recieved it. If no response is sent back, item is elgible to be sold to the next highest bidder. Just a simple note that your invoice has been recieved and what your method of payment is. Checks and money orders take 7 to 10business days to clear the bank.