I collect up plastic bottles/canteens to cut them into plastic chunks, I use plastic jerrycans for all my liquids.
Starting off I use whatever I can find, usually gallon jugs, but eventually you can turn the jugs into jerrycans, which make it a lot more convenient to collect up water and gasoline.
Also a good place to store your liquor, I’ve got 3 jerrycans full of liquor now, working on the 4th, 5th, and 6th, I keep whiskey, rum, and vodka. The rest of it is supporting my significant molotov stockpiles.
Though having wearable containers would be most excellent.