No discussion of hoarding is complete without mentioning firearms. After all, the very idea of hoarding involves a desire to stockpile a supply in case of an emergency — so why would you not want to protect that supply?
In a crisis, it might be impossible to find guns or ammunition, so it’s best to be proactive. This goes for a self-defense arsenal as well as for hunting gear that could be used should typical food supplies run scarce.
Just remember that if the alien apocalypse never comes to pass, the ATF might not take kindly to your gun turrets and land mines.