This is not so much a question. It is more the summary of a newbie's uncertain frame of mind. My brain has reached this point after seemingly endless research into the whys, and why nots, of class b...
Good advice on the used B, at least in our experience. The trick is being lucky and finding one close to where you live so you can inspect it and close the deal easily without travel involved.
Meanwhile, after a year, you may actually find you can sell it for the same amount you paid for it.