This depends heavily on geolocation. Experiencing economic collapse in the Montana wildnerness would be very different from experiencing it in Washington DC. I

This depends heavily on geolocation. Experiencing economic collapse in the Montana wildnerness would be very different from experiencing it in Washington DC. I wasn't thinking of fighting off hordes or anything like that. Ammunition can be used for barter, hunting, and self-defense. It can also be used as a tool to break locks, start fires, and send signals.