Don't go crazy. Buy gradually and a little more than you use each time you buy. This way you'll accumulate an inventory and you will have been able to spread/average the cost - some you will have paid high, others you will have paid low.
So how are they tracking this??? Just by memory of who bought what?
All stores by me have a 6 box limit. Kinda silly that is can be 6 boxes of 20 or 6 cases of 420. Not that it matters, they are all sold out at the moment. The limit is also per type, so you can get 6 boxes of 223, 6 boxes or 9mm and 6 boxes of .308 at the same time if you want.
Today at my local walmart they r rationing ammo 1 box of ammo per day per customer! Don't know if they all r
I don't like limits. However, my local Gander got a shipment of 5.56 cases and two guys came in with moving dollies. They were there before the open and cleared the place out. No doubt all of it was going to be on gun broker that afternoon.