First , I would like to say "THANKS" to all those that replied to my posts. My decision was a culmination of thoughts that I had gathered from this and several other threads in this and a few other forums.
The biggie was that the really low priced used trucks were not very enticing, especially after I went and saw some live and up close. Then there are the better trucks. However, I just could not get myself to spend $20K on 7-10 year old trucks with 150,000 + miles.
This left me with my only viable option which was to buy a brand new 2017 Ram 3500 Dually with 4wd. This solved my maintenance questions as well as other factors. I left tis morning with the intention of just looking at the prices of 2017's that they were trying to move out. The price was right + they threw in a hitch.
I am 70 years old and so this will be my final vehicle.
Anyway, it's a done deal and again, thanks to all of you.
Tony B