Search for what yours sold for, then decide whether to take offers.
Search Reloot for the same item before you price yours. Sold listings stay visible, so you can see what people actually paid rather than what people are asking.
Turning on offers usually gets a slow listing moving: you keep the final say, and every offer expires after 48 hours, so nothing hangs around. Price a little above your floor if you do.
Marking something free puts it in the Free category, where it is claimed rather than bought. There is no fee to either side and no offers on a free item.