I don't mind when people add a few dollars more on top of the purchase price of a TF to cover their fuel, time etc. - that's perfectly fine. I can live with that.
But when people charge double or triple the actual cost of a TF (& a rarer one at that) - now that is unacceptable. Just in recent times, have you checked what some Scalpers have been asking for Classics Skyfire & Movie Deluxe '08 BB? How do these Scalpers live with themselves - knowing that all they are is "Rip-Off Artists" (if that's even a word)? Don't they have a conscience?
I've even read a first-hand account of someone who encountered an Animated Scalper at Botcon. This person witnessed a little kid & his Dad trying to negotiate a deal with this Scalper who had a tonne of Animated Stuff but even though a little kid wanted to buy an Animated figure off him, The Scalper outright refused to take a even few dollars off his massively over-inflated prices (His prices were triple what the Animated Figures were worth retail). Now, that is a Scalper of the worst kind...