When the cull comes in, it will be the form of decade long lockdowns worldwide, and you can only restock supplies when your local governor wants you to get out. And you bet that the chance is low. And Smart meters will randomly pick people to be quarantined, which given the conditions of the quarantine camps might mean death.

You are not stocking anything if this happens, and the only thing you can do is to prepare an underground resistance, run to the middle of nowhere or commit suicide.

Prepare now if you still can.