Walmart has the WEN 250-Pound Capacity Rolling Mechanic Seat with Onboard Storage on sale for $13.73 with $1.43 store pickup discount.
http://www.walmart.com/ip/WEN-250…e/52133516
Amazon has the same item for $12.30, but there are only 3 in stock. I actually purchased it from Amazon and got a $5 pantry credit.
https://www.amazon.com/dp/B01GZIA…izbXQ