Fill up in the off-season (summer for heating) to catch lower prices. Option 2: Social Media Post (Facebook/Instagram/LinkedIn)
Also, are you trying to find the or the most convenient method? how to buy propane
Propane tanks are never filled to 100%. The "80/20 rule" ensures 20% empty space for expansion on hot days to avoid pressure buildup KoppysPropane . Fill up in the off-season (summer for heating)