You have to pay close attention when buying there. For example, there is currently a (used, of course) stainless Rebar listed for $69.95, when you can buy a new stainless Rebar on the Leatherman website for $64 (20% off at checkout). The used one does come with a sheath and the new one may not.
But still, there may be some moderate bargains there, and some things that are not bargains.