I stand corrected, as I remember front wheel drive vehicles have a negative toe since they pull forward essentially removing the slack from the bushings, ends and so forth. So pulling the car in reverse may not be a problem with that. But, I still stand with the problem on reverse towing with a stationary wheel next to the tow vehicle.
.. if you have a roof mounted AC, complications will surface quickly .... tires, suspension, axle(s) would have to be upgraded .... after over 10 years working in RV sales and while traveling through all of the lower 48 states, I've seen too many "interesting" rigs to discount anything, good example below .... a pickup slide in camper welded to a boat trailer ..