I list auctions with BIN. The reason being, if someone searches just for auction, my items will appear. If someone searches just for BIN, my items will maybe appear. I do have buyers hit BIN and then I feel bad because I have over inflated most of my auction BIN prices. Still, it's their choice to pay that. I've even had buyers hit BIN 1 minute before an auction is due to end with no bids. Go figure!

I do also have straight auctions and straight BIN's.