Re Toilet Paper
Our '09 Big Horn 3670RL had the bathroom hardware in a bag and the dealer was going to install it. We decided to install it ourselves after considering the best location. The TP dispenser supplied would have been a hazard almost anywhere in the room.
In the end, we bought a wall mount dispenser that was easy to load and unobtrusive. I remove the hall pocket door, drilled the base holes in the appropriate space and mounted the base with two machine screws with flat and lock washers on the inside of the pocket door opening. I measured the length before buying the bolts so that they would not interfere with the door opening and closing. Now we have a solidly mounted dispenser and have had no problems with it.
On another bathroom issue, we started getting rust streaks inside our shower stall, emanating from under the shower head mount on the side of the stall. I removed the mount and discovered that the base had been mounted with common screws which were rusting. I purchased stainless steel screws at the local hardware and reinstalled the mount, applying a thin bead of clear silicone inside the bases to prevent moisture from getting in behind the base plates. Since then, wee have had no more rust streaks.