I always have to laugh when a seller says they're going to end their auction early to avoid snipers, or that they cancel bids received in the last five minutes.
I wonder if they realize how much money they're losing? Who are they REALLY hurting?
Also the ones who cancel all bids from bidders with "less than X number of feedbacks". I guess those are the sellers who hatched into the world fully formed and started their business as a Power Seller...