Well we are well into our maiden trip with our class C. Left NH Mid Jan and are now in Pensacola starting to enjoy the warmth. We left home undecided about a toad or frog but after these miles fee...
To the OP. I will always opt for 4 on the ground. The reason is you can lock the steering on the frog and back it like a trailer. Not so with the Tow Dolly. I've been backing mine for years with no problem. You are correct in your assumption.