I'm doing Both.
Bulk tank mounted underneath the bus so I can buy in bulk at bulk prices.
And a few 20 pounders for convenience and versatility.
Filling the bulk tank can be as cheap as 1\4 the cost per liter as filling the 20 pound tanks. 20 pound tanks are the most expensive way to buy propane.
"Don't argue with stupid people. They will just drag you down to their level, and beat you up with experience."
Patently waiting for the apocalypses to level the playing field in this physiological game of life commonly known as Civilization