"Only 7 of the 10 codes worked. 1 was invalid and 2 of them had already been redeemed. When I cont ... " (more)acted the seller, he would only replace one code stating 'Im sorry but there are so many people out there that say that they dont work just so they can get free ones but, I will send you one.' I'm not able to leave negative feedback, because I didn't file a dispute. I should have but unfortunately, there's no way for me to prove those codes had already been used. "