Welcome to irv2 johnandcaren.
Thanks for the information and good luck with your new MH.
There will be some things that may go wrong will all the MFG's connected within a MH.
Fill out all warranty's for appliances if you do not have them all go to there WEB sites and register the appliances.
Hold your dealer to his word and you may have a dream coach with out many problems.
Happy and safe RVing.