Two days ago we bought a Toro self-propelled lawn mower for $20. It had old gasoline in it. Replace the spark plug, put in fresh fuel, runs like new. A few years ago my wife found a really nice necklace for $25. She told the woman it might be more valuable, but she didn't care. She brought it home and I checked it out...12K gold. A jeweler offered her $400 for it.