Ebay auctions

Do any of you become suspicious of a card listed as a buy it now for half of the asking price of another card listed on Ebay with the same PSA grade? (PSA 4) I believe that the card listed at a higher price is a bit inflated ($1,500) but I am skepical that the other card listed ($750) might be some type of scam. Also, the person that is listing the cheaper card has 345 feedback at 100% positive but this is is first as a seller. All other sales are as a buyer.
Even though it is graded i am now fearful of people cracking out the cards and replacing them with fakes. Does that happen often with PSA 4's?
Even though it is graded i am now fearful of people cracking out the cards and replacing them with fakes. Does that happen often with PSA 4's?
Collecting Yankees and vintage Star Wars
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Comments
He has bought a lot of cards in the past few months on eBay, all vintage. It's probably just a collector who is looking to sell off some inventory to buy more cards.
<< <i> believe that the card listed at a higher price is a bit inflated ($1,500) >>
Nooooooooooooooooooo!! That doesn't happen on Ebay!!