Yeah, I know, don't buy new, but my partner wanted new and he put up most of the money. We have a dog who's not good with most strangers, so we figured the only way we can ever travel is just take him with us. We plan to drive cross country once or twice, maybe across Canada as well.
Congrats and welcome!
We bought new expecting the worst and no surprises except no leaks! But electrics were awful, so i replaced and rebuilt the system to suit us. 80+ mods/adds later...
Suggest a 'test camp' session in your driveway- fill water tank, charge up, and unplug- try all water and electrical systems before going anywhere and fix as needed.
Listen for mice at night... look for entry points underneath if you hear any- usually plumbing and/or electrical chases.
Get a mobile tech to fix unless you are like many of us, and are handy.
Leaks are usually at swivel fittings (many!)- and are supposed to be hand tight + 1/4 turn max!
Open seats/beds, cabinets and find everything, clean mfr debris and inspect for problems, or to just get to know where everything is- batteries, charging systems, furnace/water htr., water pump, filters, etc etc.
Check all electrical connections- make sure they are very tight! (Loose= arcing= fire)
Make sure drive train fluids and electrics are up to snuff too- take to dealer if any questions (NOT RV dealer- chassis maker dealer! Ford in your case) The usual, oil, AF, and tire pressures.
Good luck and enjoy!!