Originally Posted by Richard G
Can you put items for sale with out a price on them and then tell people in private message you got several offers?
You can, but you'll be ostracized by the community (I'd probably be one of the first to call you out for shady behavior).
If you want to sell to the highest bidder, there's this site called "eBay". Otherwise, it is courteous to post an item for sale with an asking price.