Hi Buzzb. I bought my first MH on the 10th of sept. I had been caravanning for 7 years. My last caravn had a tracker devise, so when I got the motorhome I decided to have a tracker (as the MH is parked on ym drive). I had a Smartrack keyalert 24 fitted. It is advertsied most places for £499 (Plus fitting). I got one from mobile car kit solutions for £349 fitted (they came to the house and fitted it). I decided to pay the lifetime subs (£389 as I plan to keep the MH for many years although it is transferable anyway). I think its £120 pe year or £389 for life.