SW Desert is the safest place.
And the water issue will be solved here shortly (within a decade)
But really, rain water storage can work.
Just don't go too near the Grand Canyon / Colorado River, else you will either get ocean front property, or your land will be below sea level.
I suggest using your crypto millions from this bull run to move, as always.
If you do want greenery, check out a little patch NW New Mexico. Farmington.
RE: Now There Is Another Reason To Leave The Cities: Space Lasers