It's guaranteed to turn itself on without you wanting it to?  I think he's just trying to push a defective TV on some gullible bidder.  Assuming the TV actually does what he's claiming.
Haunted or not, defective or not, who's going to pay $500 (starting bid) on a 19" TV/VCR combo, that's missing a remote to boot?  I think I can buy a brand new, unhaunted TV for $200 at Best Buy or what have you.