X2 that is what i would do. That is lots of money and you dont want to get taken for it. You can buy gumballs and such with it.Meet at a coinstar machine. Make him put the money in, and let coinstar verify.
Run a magnet over the coins. Don't accept anything that attaches to the magnet. It's just like the pen test but more bitchin' because electromagnetic forces > fancy ink. Don't be surprised if the buyer gets pissy and walks away from the deal just because you don't trust a stranger 100%.How do I know the change is legit?