I bought a used Galaga arcade game from Andrew. It was a cheap "as is" purchase which meant no guarantees on the game.
I was okay with that because of the low price on it. He shipped me the game and when I powered it up it did not work. I called him to see if he could help, he was able to get the game running by telling me what to do, ended up just being a loose connector. IMO, the couple of complaints on here are bogus.
He did not owe me or have to help me at all but he did so without batting an eye. Gets an A+ in my book.