AJ, your on the right track here getting questions answered.
I'm figuring your in Washington state? Since you sound somewhat concerned about fees, and I think Oregon still has a flat rate. Unless, you're going fulltime and possibly relocating to another state, which could be a viable option. Myself being in Colorado, we have pretty good rates if your vehicle is 7 yrs or older.
Some states will require an appraisal of sorts on a custom coach like a Newell.
I would line out a target price for your new coach, factor in all projected monthly operating costs, then make adjustments until you arrive at your comfort on price.
And, just keep asking questions here in the forum until your feel ready to take the plunge. Going with a Newell, you are in for a special treat.
Ken W.