AR-15 , 20 mags , ammo fort , 4 wheel drive , ... Usual suspects ... Apartment dweller , renter , homeowner , suburbia , rural ? ....
Carry a few things all the time. Standard recipe is : gun, knife, flashlight.
Fill your gas tank at half empty , and check your spare tire and jack. Put a bottle of water and a granola bar in the glove box.
Stop buying things on an " as needed " basis. If you wear contacts , get ahead on them , if you drink coffee , have some back up and rotate it. If you need a new lightbulb , but a few extras. Etc.
Start with planning for minor problems that immobilize " normal " people - like a flat tire , dead battery , have the stuff your grandparents had : candles , batteries , a sewing kit , basic QUALITY tools that don't take batteries.
i live in an old house. It was built before plumbing , electricity , oil heat. So I looked around and started thinking what would I need to live that way again. Water , heat , light , a pantry with stuff that doesn't require refridgeration.