[pbspelly]

The standard practice (at least in Western countries) is to list a sales price if you are offering to sell something. That's why you don't see a lot of houses listed under "Make an offer." Even for cars, where people expect that the list price is just a starting point, the list price is a starting point for the buyer to respond to. Likewise with auctions, which start at a particular price, even if no one expects the item to sell anywhere near the starting price. If you are offering to sell something, you, the seller, are expected to propose a price.

Now if you have something that you don't intend to sell, but would if someone gave you enough money for it, it's fine if you don't put a price on it and want to just wait for offers. There is nothing ethically wrong with this. But you also probably shouldn't list it on this forum's buy/sell page since it is not technically being offered for sale.


As for someone trying to determine the value of an item, the best way is simply to ask the forum what it thinks the true value is. I've done this several times. You will get a lot more responses than you will by putting something up as Make-an-offer. Sometimes you will also get offers to buy.