My philosophy is to buy stuff that we WILL need in an emergency (short or extended). So, we have a well-stocked pantry. Last year, I built a brick fireplace in the backyard with spaces underneath, filled with coal and other fire-cooking stuff. Also added more water tanks and more storage cabinets. I believe if we had to stay put (bug-in, as in Covid scenario) we will not suffer much.
INHO, this is more reasonable that buying gold. YMMV
The key is to diversify. We can't predict everything we might need in the future. For instance, if you need a tank of gas, an attendant may be more inclined to accept silver as payment than a loaf of bread.
Jeanette Isabelle