Suspends disbelief a little that the food is still rotting in centuries-old dungeons. Maybe should have some completely dried-out fungus in the vague shape of the food, that collapses into dust when your presence moves the air that’s sat motionless for decades.

Not that the DnD economy makes any sense anyway, of course. Bret Devereaux, in amongst his other excellent writings, did an excellent explanation of why “gold currency” wasn’t a thing in historical times; he’s written specifically about BG3’s armour problems as well.