Thanks Jplante4 (BTW - great looking bus). Our situation would be towing a FWD Mazda Tribute that is 12 years old. It runs like a champ and is paid for and has new tires. Although it is paid for we certainly would look at replacing it if advised.
My question is more about the convenience and towing comfort comparing a dolly to 4 down. For example, as you noted , with a dolly you have to find room to store it at the CG. With 4D that is not an issue so score one for 4D.
You all collectively have much experience with both, as well as traveling without a toad all together, so I am looking to your experiences to give me guidance.