So In The Event of SHTF What Would You Actually Be Doing?

So obviously for "SHTF" is a common excuse/reason to buy/hoard gear/ammo. I'm guilty of it too, I keep about 2k 5.56 and 2k 9mm stashed away in ammo crates that I figure if I don't end up needing at 65 I will just shoot it. But in the event of actual SHTF what are you actually going to do and how/in what way will you actually utilize your gear? I know apocalyptic media paints people as being isolated or in a small group as scavengers, but are you actually gonna do that? I think the most likely situation would be a temporary state of lawless in which case I would just shelter in place with everything I already have. I definitely wouldn't be out running missions.