I understand what you guys are saying, but if an item has less than 15 seconds on it, then I know for a fact that its the seller not wanting to sell it for that price I was willing to bid for. At any rate, going to avoid ebay like a plague now.
I've been buying and selling on ebay since '98 and the thought of sellers sniping their own auctions has never seemed very practical. Neither have I seen much evidence to suggest it happens. Maybe it used to be more common, but all of the jerks who don't know their games' worth just use BIN/BO these days.
Seriously, a lot of people snipe. Like Dan said, probably 25% of all bids on ebay happen in the last couple minutes. A lot of sellers may gouge prices, but most people are still honest. Also, judging from what my mom recently went through to get signed up, creating two accounts looks like it would be a pain in the butt these days. Sellers who don't go the BIN route and are willing to wait seven days for an auction probably just want to sell their crap and get paid, not milk every last cent from the market.
For those just tuning in, here's a summary of sniping habits thus far:
*Supremo_Lagarto bids with <60 seconds left
*The item's seller bids with 15 seconds left
*BlueBMW bids with 8 seconds left
*vestcoat bids with 5 seconds left
Clearly, the secret to success is bidding with 4 seconds left!