Check out Dollar Tree, etc. ...They have no stock. Shelves are bare here. 50% stocked. Poor people are running scared.
I said before, Venezuela started the same way...shortages that became more frequent and more prolonged.
water is essential. I suggest buying a Berkey filter and making your own "Berkey". See YouTube.
Next, start saving your meds. Old drugs are just fine.
Classico pasta sauce comes in Ball jars. On sale for $2 a jar lots of times. A plain jar is a dollar in the store.
Costco membership that cost me $60 just saved me $80 on a new car battery (I did have to change it out myself).
If you garden, buy heirloom seeds and learn how to save seeds.
Z said the USA would fare better than most in the coming years but would suffer also,nonetheless. I miss that guy.