I'd try and mate with an animal

I'd try and mate with an animal

) come around and I'd sell them my supplies (Using "Marky-Dollars" of course) 
I send a letter back through history to inform people that Armageddon is a place, not an event.

Take a day off, maybe.
Stockpile. Find somewhere easily fortified / defendable. Just in case. A tower block of some sort would probably fit the bill. Stockpile supplies, very much like I am Leg End. Plenty of petrol, gennies and supplies.