You need to store the water underground to prevent it evaporating (serious) where you live it is the most precious thing, don't know how much money you have but ideally :-
An underground reservoir or an artesian well definitely top priority, need it to grow food, fuck showers
An electrical supply wind + solar with a battery storage
A telescope to view the contrails
That's it, you'll be ready for anything
I've been in a few deserts, the sex life ain't great, you may be interested in one of my overcoats ? might have one available soon, we're in lockdown and the parks are closing.
ps noted the above, but times move on, since you were last here Crack has given up dope and become a pastor, and Budman finally came out of the closet and is madam of his local bordello, both are very happy, Bud does special offers at weekends.
pps We might not make Christmas