Let's say a stranger sits in on one of your average gaming sessions with your regular group. He's from out of town, though, and he left his character sheets at home. He offers to pay you cold cash ($!$!$) if you'll let him borrow your favorite PC for the night. The DM says it's OK, but everything that happens is still considered part of your character's continuity -- if he dies, he dies; if he loses a limb, it stays lost.
What's it worth to rent your favorite PC?
What's it worth to rent your favorite PC?