I agree with everything you mentioned. However, I would replace the term "dealer" with "seller" as he didn't have a lot of coin sales per se. In his listing, he even admitted he had no idea what the coin was, if it was double struck or die adjustment. It belonged to his deceased Uncle and he wound up with it. In essence, he would not be a seasoned veteran as are many of the people on this thread. I had excellent communication with him and find, at least as much as I can, that was honest and up-front with me.
I'm sure the experts on the forum can understand that not every eBay seller is at their level. At least they should be.
I think this thread has beat the proverbial dead horse and should be closed.