Seriously, though...there's lots of homes in the Southern US that don't have basements. Other than places to make musical noise, basements are places which keep water pipes warm and deep enough into the ground to generally avoid freezing. If you're on a slab, the need to keep your water flowing is even more paramount—and that's tough is you're on a well too. Best of luck all!
I once lived in New Orleans when it went below freezing for a few days between Christmas and New Years. No basements with pipes above ground under the houses (which usually sit on an above ground foundation. There were a of frozen/burst water pipes. Due to the number of cases, and shortages of plumbers and materials, some people did not have running water for up to 3 months.