You can sometimes make some great finds in this very narrow price range. Typically, treadmills that close around this price may be bargains that just didn't get sufficient attention. If it's a no reserve auction, you can usually close on some great deals. When the treadmill is coming from a warehouse or distributor of some sort, you might get a good deal on shipping, it may even be free.

Treadmills at this price point tend to come from individual sellers more than fitness equipment stores with a web presence.