And Clark, if I bought a knife made of crappy carbon steel, I believe I would rethink my status as a steel know-it-all.
Perhaps its a bad example. I guess I could have come up with a more likely bad deal but I wasn't trying very hard.
But as Martin says, there will eventually be a bad deal. Right now, this forum is a place which has honor and dignity. I think a selling section would be a guaranteed mechanism for "bad feeling generation".
Survival gear is like climbing gear. You want to be careful about where you buy used gear.