Again, this depends on so much.
Where will you be parked?
Will you have water connection?
Will you have electricity? What will be the source?
Full time living, or weekend adventure?
And the list go's on and on.
All the answers you need are waiting for you in the build thread section, complete with pics.
There you will find many ways of doing the same thing. By reading you will get real info and experience. Asking questions will get you opinions from people that have no clue what they are talking about.
I say all of this in a friendly, helpful way.
"Don't argue with stupid people. They will just drag you down to their level, and beat you up with experience."
Patently waiting for the apocalypses to level the playing field in this physiological game of life commonly known as Civilization