Why I can't buy a Tesla

I think part of the heater operates from heat generated by the electronics/ battery. No idea on the AC. I assume it's a battery powered compressor
My Bud had a few Ford Escapes... I helped put a Battery in. I wanna say almost 2g used, BUT, the a/c was piped to the rear batt compartment. And it was it's Own deal. HAD TO HAVE IT, according to him