I want a loan system. A friend of mine loaned a firestorm chip and never got it back. The avatar just gave it to there second avatar (we can't prove who it is) and disappeared.
Perhaps a 10 percent fee per day of the items maximum TT value would be a way to control the loaning/renting of items?
MA makes money on loan fee and decay. Upper end items that are already rare won't be loaned often because it is not economically worth it.