It already is a parking lot.

Well it is better than being poor and mentally ill, right?

Check out https://landairsea.com/. Reasonable price for a solid solution.

This right here. It is almost impossible for the average citizen to prepare in the sense of stocking up on supplies in a way that will last longer than a few weeks, months at best.

Without community… you are fucked. You may well be fucked even with community.