Just wait till he ask for money order or western union upfront first and he will deliver it in person sometime in the next week because he happens to be moving to your city for some odd reason and after he drops off he Uhaul he will bring you the card don't worry
Brand new 1080's are $550. Its a second hand card. $350 isn't some insane bargain. It's pretty much exactly a fair price for a second hand 1080. Anyone saying this price means its a scam is a dope.