So true Pompiere the snipers are everywhere and especially with something like this bike which is a huge turn around resale item, though limited by size of the frame.
A bike like this I figure my max price and then add another $50-100 and bid in the last seconds. Then if I get sniped, sure it stings, but that last extra money on top of max price soothes the soul, and if you win, you never even notice the premium you paid on the day you unbox it or the day of it's first ride.