Sadly, we're not retired and can't get out enough to need refilling the rig propane tanke more than once a year - which I usually have done at dealership when I have it winterized (yes, I'm lazy....). That way, we have a full tank if we get an ice storm and lose power, and need the RV as a "lifeboat".
That said, I grill. A lot. Year round. And keep multiple spare propane tanks. For refilling 20# tanks in our area, I have found that the local Tractor Supply or Ace Hardware affiliates are usually considerably cheaper than other options. Right now, my local Ace is advertising a 20# tank refill for $9.99. Tempted to go buy another tank......
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