What was the seller supposed to say? "Sucks to be you and your imaginary dog. Send me the money or I'll drop a neg"? Then there would be a thread on here by you saying what a d-bag he was.
I don't sell or trade, but if you make me an offer I might listen
It's okay to say or do whatever you want as long as you don't scam
Don't bust sports cards if you can't afford to lose the money