That could be said of any material:”Just how much food, guns, ammo could you have or use before...”
Exactly.
If we actually end up in a SHTF scenario, with government basically helpless, all bets are off. I don’t expect it to go that way, though. I don’t see that scenario in bible prophesy. I see the opposite. e.g. the mark of the beast type stuff. I see hyper-inflation in our future. Hence the precious metals.