Good Sam or AAA

The reason why you need to read what AAA offers for your area. I looked and Washington AAA site and the coverage is different. Premier RV covers a tow up to 200 miles for your RV, the Plus is only 100 miles. According to your ERS they would not send anyone to change my DP tire as I have no spare. The member benefits state they only respond if I have a serviceable spare, My DP has none, so I would be left to fend on my own. AAA in Washington does not provide a mobile mechanic option either, so if I need a new fanbelt installed, an airline fixed, or a radiator hose replaced on a Saturday Night, I will have to find a service on my own, or be towed somewhere and wait for them to open, which on 3 day weekend could be a few days. The terms of your Roadside can be found here: Washington State AAA I would read up if I had a travel trailer or 5th wheel, your TT or 5'er is only towed to the nearest secure area, which may or may not be a campground if your tow vehicle breaks down.
It pays to read up on what is or is not covered, you have to compare apples to apples.