Funny that I was just thinking "take it up to Carnage, poke a hole through it and leave it for someone else to clean up".
Something that sticks around at Free, but disappears with a small cost..... many will think if you are giving it away there must be something wrong with it, put a small fee on it and suddenly there is a degree of value. Or, it may just be they one guy that wants it didn't see your ad until you updated it with a fee.