Taboos? Open waste valves Backing MH W/ 4 down etc.

I took this to a car show/ flea market years ago, got a lot of stares going down the highway at 65mph. was a bit scary in some ways and the trailer has no brakes on it, and the car only has a single brake system, so if any leaks in the brake system you have no brakes at all. and using just a sway bar no eq hitch