Just had a similar experience. Listed a pre-owned Chanel ivory boucle/tweed bag. It has ivory leather piping trim (very thin) and intertwined leather/metal chain at the closure. That is the only leather on the bag. Buyer made an offer and I accepted. Then she made another offer (very low) on a Prada bag I listed, before even paying for the Chanel. I declined the offer on the Prada as it was way too low. She waited 3 days to pay for the Chanel which started to make me nervous. Nevertheless, she paid, I sent bag and then she emails me today saying that the leather on the bag had been "re-dyed" and that she would like to exchange it for the Prada. First off, the bag has not been serviced in any way and certainly has NOT had the leather trim re-dyed. I'm not even sure something like that is possible, but I know it has not been done on this bag. Second, the Prada is 2011 issue, pristine and is priced higher than I even listed the Chanel, and definitely higher than the great price I sold the Chanel to her for, so there is no way I would do an exchange. I asked her to send me pics of whatever concerns her about the leather and I'm still waiting to hear back. I have been cordial and want to resolve this since I have 100% positive FB, but I know this is buyer's remorse and that she simply decided she wanted the Prada instead of the Chanel. Buyer's like this really make me mad, wasting my time. I would have preferred she back out of the offer when she spotted the Prada, rather than go through all this. And of course, ebay and PP make it impossible to do anything but be pushed around by the buyer..... (attached is a pic from the listing showing minor wear on the bottom corner leather trim and the pre-owned condition of the bag was clearly stated)