It was so nice to just drop off a tank and get one ready to go. No worry of the "operator" knowing what they were doing or waiting for the only person at the store who knew how to fill a tank.  And many stores that won't concern themselves with having propane to fill tanks don't mind having the Blue Rhinos so you don't have to travel to one specific store.  The only issue I had was the tanks showed rust almost immediately after setting them up.