I will tell you only this. for a Big motor home (Like my 38' class A) you need a Heavy Duty (Semi size) tower.. The charge varies depending on location.. Both the "Hookup" and the millage will depend on where you are when you break down.
Plan on a thousand dollars for most tows. YOU WILL GET CHANGE BACK in all likelyhood. I have been towed 3 times and winched a few times (Stuck in sand or loose dirt) the winches were 100-250 dollars the tows ran about 800 each. One of 'em was from Savannah GA to Darien Ga. if you want to check the millage. One was from Darien (Technically Townsend twp) to a different site in the same township that one was a bit less... They only damaged one thing (Very Minor and 'nm not sure which tower did the damage.. I fixed it no charge).
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times