Anything in a book can be had online for free. You need to maintain it including washing/waxing the exterior and roof, cleaning the interior - like housework, and maintaining its systems. You have to enjoy the outdoors as well. Lots of people will urge you to buy used at first. I'm not one of those, as there are pros and cons to buying used. What you buy is a personal decision.
If you need to diagnose a problem or have a question, this forum is an excellent place to do so.
Here is a helpful link:
http://www.learntorv.com/What else do you want to know?