I would think someone in the L.A. area would jump on the concept;

https://www.youtube.com/watch?v=AtowMeMc9yY

It's actually in use;

Master Builder: Creating RWB Miyabi - Speedhunters

I could imagine getting 5-6 of these things (relatively cheap), placing them in a square and building a dedicated roof for it. Cut out some windows and bam-Racing man-cave!