We have to deal with annoying Internet trolls on a daily basis. They usually try to start an argument by posting a ridiculous comment on Fstoppers, Facebook, or YouTube. They used to really bother me, but at this point, I've become pretty impervious to negative comments, but sometimes, these trolls take things too far, especially when they think they are anonymous.
At this point I felt like it was pretty obvious that this was the same person and they had purposefully won the auction with no intention of paying me to perhaps teach me some sort of lesson about eBay? I guess... Anyway, I wanted to see if I could prove it was the same person.
I noticed this eBay user had items of their own for sale. The auctions said the items were located in Montana. I went back into the Fstoppers backend and looked up "Jose Sanchez." This user appeared to use a fake name, but a real email: pgo2372@XXXX.com. A Google search of this email didn't bring up anything, but a search of "pgo2372 photography" brought up this website: