Exactly. I remember seeing some poster from the depression era about food hoarders. Next thing you know they will want any purchaser of more than 25 lbs of beans in their database.
How about lead?
Pay with cash.
Buy modest amounts at several different stores.
Don’t blab or brag to anyone.Try to stay on amicable terms with your neighbors.Informants are what make police states possible.
Don’t make a big deal of by talking about “whatever” you have so family members are less likely to inadvertently let the cat out of the bag.
Loose lips sink ships.