Another dolly to look at if you are towing a car with no steering lock is the Acme EZE Tow. This dolly requires that the steering be unlocked but many cars no longer have locking steering wheels. The BIG feature for us is that when not being used, the dolly can be stored vertically which is how we store it in our car port. It takes up abou 16 inches or so of floor space and my Chevy Avalanche is parked right in front of it. This dolly has radial tires and surge hydraulic disc brakes, not drum brakes. We picked it up used for $1100 and it came with a spare tire and wheel, 3 sets of straps, and car-to-dolly safety chains.
Elbridge Price, 1998 Dutch Star Diesel Pusher
Cummins 6.8.3 mechanical injectors, Spartan Chassis
2016 Toyota Prius; Acme EZE Tow Dolly