Many people are storing large quantities of ammunition for various purposes. Some shoot a lot like I do and stock up when they find a good deal. Others store large quantities for long term purposes. There are some things to consider when storing large quantities of ammunition.
Defensive ammunition
Selecting Ammunition for the Defensive Pistol
The handgun is in reality a poor defensive weapon compared to a rifle or shotgun. But it has the advantage of being lightweight, portable, concealable, and probably more likely to be on you when you need it.