I've been an ebay member and buyer since 2005. Less than two weeks ago, I started selling my old collectibles on ebay. I made over 40 sales and everything was going smooth. Then, I listed a single item last Friday and when I woke up, I had 3 different buyers who had bought and paid for the item. I double checked the listing and it was listed as a quantity of 1. Through the help chat and articles it said I had to cancel the extra orders. I canceled two of the orders and explained what happened. One of them who is a reseller, left me negative feedback after I explained. I sent him screenshots verifying everything and asked that he take down his review. He hasn't responded and ebay denied my request for the removal of the negative feedback because I was the one who canceled the order and not the buyer, even though that's exactly what I was informed to do from the same help chat. My rating went from 100% to 83%. Any other sellers ever experience anything like this? Any suggestions beyond contacting the buyer again and requesting removal? Thanks in advance.