Something Fishy
You can cram a lot of food into a bag of holding. However, time still passes inside the bag. If you don’t rotate through the food stored in the extadimensional space, things at the bottom might get gooey. It’d be amusing to pull out a handful of platinum and have them covered in the moldering remains of iron rations.
Bags of Holding may be my favourite part of D&D. The logistics and reality of a portable extra-dimensional space has occupied so much of so many gamer’s minds over the decades. If only the Matrix had come out in ’75 or so, then we could have had a blank room to fill with supplies instead of a cramped hole.
When I was DMing in 3.5 I usually allowed the casting of “Gentle Repose” to preserve the rations, since the spell “also works on severed body parts and the like”, even if it wasn’t its intended purpose. Apart for that high level campaign, when the entire party chose to get equipped with Rings of Sustenance…
It’s worse when you capture a NPC, handcuff him, fling him in a portable hole… and then everybody forgets about him for a decade, during which there was no need to put in or retrieve anything from the extradimensional space. Our paladin even had to atone for this.