I don't know....I did loan my AFM to a good friend. He ended up tuning it up and doing some nice things for me while he had it, so it was a great experience. Here is where I knid of agree with others, and why I think you are getting conflicting comments that go against the intent of your post. If I know someone well enough to rent them a game, and I would never do that if I didn't already know the person, then I would not feel "right" about taking money. I would feel happy to loan it out. And if I wanted to rent my games, I agree with another person that $100 just isn't worth the hassle, or not having the game when I get the bug to play it....which we all know would happen if it were gone. At some point something is going to happen to a game, either in moving or during play, that will wipe out the income derived from loaning it. And if I did charge the $100, it would be because I kind of needed the dough, and then the repair and wear issue is even more of a consideration. No....if I wanted to do this just to try out other games, it would have to be a free loan. And if it cost much more than $100 a month, which would address the financial issue to some degree, then I don't think it would make finanacial sense to the renter. And limiting the number of plays? I wouldn't be in as a renter.
Here is one twist though. How about renting to own? If you had a game you knew you didn't want, you could offer to rent it out for 30 or 60 days or whatever and apply it to a predetermined price. If the buyer didn't want it you just keep the rental fee. Thats the only way it makes sense to me, and then I wouldn't feel bad keeping their money.