garage sale 
noun chiefly North American
A sale of unwanted household goods held in the garage or front garden of someone’s house.My dad stayed home all day selling items that we wouldn't be needing in California on eBay and at a little garage sale in the front yard....
- The next time you see this title at a garage sale, flea market, or pawn shop, it's well worth the cash you'd have to put out for it.
- People are also being encouraged to have a garage sale of any unwanted gifts and belongings on the same day and donate the proceeds.