Because when he picks them up he has to take back the broken one with him. If you have had a problem with your tv and got a receipt, look at it. It states the problem that you have, the tech on the phone put it on the receipt. So he is looking at the receipts and delivering the tv's. Then taking the old ones back. This is all just a guess but he sounds like thats how. I am not lying, it is just what he told me.