Truck Wash for our 5er's

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Anyone have any thoughts pro or con on using a commercial truck stop truck and trailer automatic wash with brushes and high pressure water jets on our Montys?

At a truck stop near us, we can get the truck and trailer washed for $15 plus $1/foot for the 5er. For $55 plus tip, I would rather have it washed here, frequently, and then a couple of times a year do the major wash and wax.

Thanks,