Edit, NMNA as I'd obviously have a build thread on this if it was mine.
I've been shopping for caddies for a potential fly and drive and I'd be very tempted if he was anywhere close to what I'd consider spending. Supposed to be a commercial chassis. He doesn't show the modified areas for some reason...
https://denver.craigslist.org/cto/d/presidential-car-hauler-tow/6645747075.html