So what if this actually works? I'm going to try it tonight with a similar story considering I have a PS3 and I can get a PS4 box from a friend.
If they ask for a receipt, easily just say "who the f*ck keeps receipts?".
I can see it working. I seen tons of incidences where a person would bring a product back and get an exchange, of course with the actual item, without a receipt. If this works, I'll be damned.