I have never, ever, not once in my life, rented a game. In fact, when I was younger, I didn't even realize it was POSSIBLE to rent games for three or four years after the neighbor kids were doing it regularly.
Even then, it seemed strange to me. I'm just not that sort of person ... it's not like a library, where when you return the book, it'll be there for a LONG time to be checked out again. Nuh-uh ... the game will be gone very quickly, as newer releases churn it away, and your memory of it fades ... I'm sorry, but I just can't equate playing a game I truly enjoy with watching a movie. If I'm interested enough to play, I'm going to end up buying it.
My video game experience has always been one of "legacy." Even if I hated it, I still want to own it foreverz. I want to REMEMBER, two decades hence.
As my pristine copy of Super Pitfall can attest, it works.