We all hate having to pay more for something because the seller maniuplates you into believing that the 'market' demands that price. Especially for something we can't chose to not buy (medications etc). Here's an example... Ever heard of the guys who drive up to you at gas stations / parking lots etc and try to sell you sell speakers out the back of their van "Left over after deliveries" kind of thing. At one time they called themselves OmniAudio. They tried that on me a few times. One time they handed me an audiophile magazine with an ad for their speakers quoting a price of $1600. They they asked me for $1000 for the pair. Well, it turns out they never sell at $1600, they put that fake advert in there to make you think they are worth that. In reality they are a decent speaker fro the non-autiophile, but probbaly only worth $100. So is it good business, or is it a scam/con? As slimy as that is, anyone (talking generalization here, not individuals) that takes any action that drives up the price of something they sell (by intentionally temporarily limiting quantities, or by bidding up auctions similar items hoping to not have to buy them just to increase the average price that type of item sells for) is hurting many poeple for thier own gain. I'm sure they can rationalize it to themselves, but the rest of us are going to be tougher to convince. "So the Lexus I was going to pay 5k for I instead wound up paying 6k for because you placed bids that you did not intend to be successful just bid it up to 6k... Just so that when YOU sold YOUR lexus it would go for 6k because people would look other auctions to determine the value." This is not the market in action. This is market manipulation. Don't know if I can point to a law that forbids it, but then I can't point at a law that forbids you to eat dog poop either - doesn't make it right.