Welcome to the forums...some great folks in here!
One thing that I didn't do during my walk-around was to have them connect to shore water and try out everything...we would've found a few issues.
So ensure you aren't rushed and try out EVERYTHING!!
Rick & Karen
(Retired USAF, MSgt)
5-year Travel Trailer RVers
2013 Forest River Rockwood Ultra-Lite 2904SS
2014 Toyota Tundra Maxcrew SR-5 TRD 4x4