Don’t be an idiot.
Just buy 6 or 10 times what you normally buy of dried and canned goods.
If TSdoes’tHTF you’re saving money on future food bills, if it does you’re ready (food-wise).
So spend the four grand to save.
Oh and one other valuable thing to hoard: feminine hygiene products. Most people won’t think of hoarding these, but women will want them in a crisis.