I sent the seller a message through ebay about the 'no reserve' a couple of days ago, and he replied; actually sounded like he's a good guy but has been messed around repeatedly by time-wasters and tire-kickers and it's cost him sales on several occasions, hence the apparent attitude......
But whatever the expectations, it's still very risky for a seller to do a no-reserve vehicle listing.

I bid and bought a truck a few years ago no reserve I won the auction then the guy said he could not sell it for that !! got in touch with e bay they did not do jack !! and they let the guy relist the truck ??

Doesn't surprise me one bit. Like I said yesterday, eBay ain't what it used to be.