Havn' t asked them. I'm sure they wont do it for free. Ill probably just move it and use the propane to heat the shop or somethingI believe if you connect two tanks together the pressure will slowly equalize between the two tanks... But the second take will never get more full then the first. So you probably can get some but not all out of the 500 gallon tank.
The propane company won't come and empty the tank?
I give them one tank with the house. I offered to sell the other one and they didn't want it so I'm taking it.Its hindsight, but I've always included a clause in Sales Agreements for houses I've sold to include the oil or propane credit. This might be a case of being thankful you have a buyer and can close, and not worry about the few hundred $.