One additional thing absolutely needs to be done before accepting any Dodge truck. Take it out for a test drive and run it up to between 75 and 80 MPH to check for the dreaded high speed vibration. Feel for the fuel peddle vibrating on your foot, see if the seat of your pants are telling you the seat is not stationary, look in the interior rear view mirror to see if following traffic is blurred out, and feel for the steering wheel to see if holding it for a prolonged period of time will make your hands go numb from the constant vibration.
If the aforementioned is occurring, usually between 68 and 75 MPH take the truck back and do not cross go and do not sign any papers; instead try another truck because no matter what the dealership tells you they can not cure the dreaded vibe 100%, and these trucks either seem to have it or they do not.
Good Luck with your purchase.
Carl