I was with AAA for several decades, including using it several times when our old Pace Arrow broke down. But AAA is not as motorhome specific as it could be, and several years after getting the Beaver, which as I recall came with a complimentary year of Coach-Net, we switched from AAA to Coach-Net. We've used it once and we're glad we had it, because I could talk to one of their tech mechanics to help diagnose the issue before they ordered up a tow truck. AAA doesn't offer that, and it provides the possibility you may be able to self-repair and avoid a tow altogether.
The main reason for switching was that FMCA offers a discount for Coach-Net that helped knock the cost well below what AAA runs. And they automatically cover all of our other vehicles even though the coach is the primary reason for it. AAA charged for different levels of coverage; Coach-Net was simpler and provided a lot more for my buck. I had been griping for years about the cost of AAA, and that part of my dues went for their fancy magazine and its articles and ads that mostly were irrelevant to me.
As I recall, some coach insurance providers offer Coach-Net as part of their services, including BAC club sponsor Overland Insurance Agency's companies. That can be a good way to save on both your coach insurance and your travel service all together.
Joel