Soooo many resources to help you
On of the things you will learn as an RV owner is that it pays to be proactive. This is true for trip planning (book places early), maintenance (an ounce of prevention...) and learning.
In addition to this forum - which is more reactive - go to youtube and search on first time rv and you will find a wealth of information; including a lot of videos showing common mistakes. Better to learn from other peoples' mistakes than making them yourself.
You will also find a lot of resources on what you need for your RV. The prior comment on a fresh water hose (add a regulator and a filter); a good sewer connection hose (dont be cheap here); a good electrical line (not sure if you need 30 or 50 amp) along with a surge protector.
Also get friendly with your neighbor's at campsites - most will be happy to give you the benefit of their knowledge.
Good luck - do as much research as you can, and be proactive and cruising will be much smoother.
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