facebook marketplace for $10 or $20 is magic. People don't like free as much as they like paying $10 or $20 for a $50 item
replyA nominal fee convinces people they're getting a bargain. "Free" feels like you're driving to someone's house to pick up their trash.
replyVery well said, I often feel the same way.
replyAbout memories - throwing away the associated item often feels like admitting that you can't go back to the moment represented by the item. It's hard to face that small grief so it's easier to keep it there.