The cheapest price around is at Walmart. Most stores have them for $14.92 if you are exchanging an empty tank (it's a lot more if you are buying a new tank without an exchange).2018-03-08
How much does it cost to exchange a 20 lb propane tank?
Some people take advantage of a propane tank exchange, a service offered by many big box stores like Walmart, Lowes, or Home Depot. The exchange usually costs about $20 plus tax, but there are deals occasionally. Filling will typically save about $8.
How does Walmart propane exchange work?
How Does a Propane Exchange Work? When your propane tank is empty, simply bring your old tank with you to the store (like Walmart or your local gas station that does tank exchanges). ... An employee will help you out by taking your empty propane tank and giving you a full one from the propane exchange kiosk.2021-06-09