For me, it has to be tea. I’m an incurable tea drinker and after going a few weeks without it, I’d do a lot for a lukewarm bottle.
Also, razor blades. I like to keep my smooth shave.
Imagine traveling the nuclear wastelands with your trusty barrels of lube. Just to be ambushed by a bunch of jacked hot raiders. Oh my …what a future what a future indeed.
Tobacco. :deeper-sadness:
Six AA batteries for my Sega Game Gear :no-copyright:
Both of those are laughably easy to make yourself. Weed is very much a weed. Booze is sugar mixed with yeast and allowed to ferment. For most of history people have made their own beer and cider at home.
Medication