There are actually specialized websites to trade them. For example you can see a price chart and 52 week high/low for some sneakers: https://stockx.com/nike-air

There are actually specialized websites to trade them. For example you can see a price chart and 52 week high/low for some sneakers: https://stockx.com/nike-air-force-1-low-white-07 https://stockx.com/nike-air-force-1-low-white-07