OK. Great. You've stockpiled for the end of the world, you quack. The chances of the world ending are smaller than ... holy crap, what the hell is a supervolcano? See why we're all doomed in 5 Ways The World Could End That You'd Never See Coming. And if that's not enough to get you to build your own bunker, check out 6 Tiny Mistakes That Almost Ended The World. Really, the planet almost ended due to a blown fuse? Come on humanity, let's get it together.
Another best practice is to store a variety of foods in a single bucket.  So, for example, instead of creating a bucket filled with a single food type, create a bucket that include a variety of foods plus appropriate condiments.  If you are ever forced to use your food storage, you can pull a single bucket with everything you need to get by instead of riffling through a dozen or more buckets to gather what you need for meal-preparation.

Zombie apocalypse: Used by some preppers as a tongue-in-cheek metaphor[76] for any natural or man-made disaster[77] and "a clever way of drawing people’s attention to disaster preparedness".[76] The premise of the Zombie Squad is that "if you are prepared for a scenario where the walking corpses of your family and neighbors are trying to eat you alive, you will be prepared for almost anything."[78] Though "there are some... who are seriously preparing for a zombie attack".[79]

It turns out that when you're down to your last moldy hunk of bread and giardia-laced mud puddle, letting it all melt away in a cloud of smoke for a few precious moments can mean the difference between giving up and giving the rat (eating) race another go. If history has anything to say, it's more common than you think for people to happily give up MREs and gunlord harems in return for hastening their ends with carcinogens wrapped up in tidy paper packages. In traumatic situations like war, cancer sticks are often valued more highly than food. Even in the current (more or less) pre-apocalyptic global economy, cigarettes are one of the stable forms of currency.

In 2001, Tim Kohler, a professor of archaeology and evolutionary anthropology at Washington State University, set out with a group of specialists to create the Village Ecodynamics Project to figure out the relationship between Ancestral Puebloans and their environment. Did catastrophic drought lead to migrations out of this region, as some had speculated?
Since people began building fallout shelters during the Cold War, canned nonperishable food has been recognized as great to have around when the going gets tough. Freeze-dried food and MRE (Meal, Ready-to-Eat) military rations with years of shelf life are also good options that take up less space per available calorie. [Doomsday Facts (and Fictions)]