I am looking to add a Stout Faucet to my new Keezer. As far as the tap goes I am getting an Intertap Stout Faucet adapter. There is only one place by me that will swap beer gas tanks, for a 20 CF tank they charge $98 and then $14 for each swap after. I do not mind paying a little more to support local business but can anyone comment on how these prices compare to other places. What is the going rate for a used 20 cf tank. There is a lot less info on these tanks compared to CO2 tanks.