Something to consider.
In all of our (America’s) modern day experiences with disasters the calvalry is always ready to come riding to the resue in a few days or weeks.
It is only a matter of time before FEMA, the Red Cross or other relief groups show up with MRE’s, water and medical assistance. Usually local law enforcement or the National Guarrd show up fairly soon to restore some sort of civil order and work crews are right behind to clean up debri and restore utilities.
In a severe SHTF epidode most, or all of that support will not be there for extended periods, or maybe never.
When the supermarket shelves go bare and the utilities go down it may be for the rest of our lives.
I heard JW Rawles interviewed a short time ago. He said that if the grid goes down due to fuel shortages caused by hyper-inflation, we could see an entire generation without electrical power. Once these grids go down, you just don't flip a switch and turn on the lights. Cold start up is a hugely complex procedure and requires all resources and infrastructure to be hitting on all cylinders.