I have never used the trade in to get a full tank. Everytime I have seen them the cost seemed to so HIGH! Now to read this and see they are shorting the customer the amount of propane, which means they need to trade in more often, hmmmmmm
I always go to a propane bulk supplier and have my tank filled as i stand there watching the meter and go in and tell the cashier the amount. I am a local, they know me so they take what I tell them. My small tank will only take a max of 4.5 gallons, not really sure what propane is selling for per gallon, but figure I need it, I pay it. I use the small bottle for both my propane grill, and my clothes dryer.
Fill the bottles up people, I would rather pay more then have to come back more often, which increase my gasoline costs to make a special trip.
I take it back... I had used the trade in twice, I had a couple of old tanks when they switched to the new standard valve, and it was cheaper than buying a new tank.