I know a friend of mine who "rented" a game, and since he took so long to finish the game, the owner decided that he'd just give the game anyway.
The "best" deals are always the ones that you get for free.
Assuming you think in terms of value/price.
I WON A BET AGAINST AZUREN! WOOOOOOOOOOAAAAAAAAHHHHHHHHHHHHHHHHHHH