We have a 2015 2504s, and have about 16,000 miles on the trailer over 2 years. We stopped a lot to access the bathroom(and frid). The path to the bathroom is very tight, but do-able(sideways shuffle) Of course you can also put the slider out a foot for a few minutes.
The problems we've had have been minor. The antenna crank totally fell apart on our first day out on a 5 month trip. The city water hose connection fell apart(That was a quick fix), and have blown 2 fuses with the slider.( the slider fuse connection is located front left on top of the trailer support frame-You'll never see it until you crawl under.). But that's it-very happy with the trailer, although if you go back across country, we might look for something smaller.
2012 Ram 1500
1 over active Lab-Lets play fetch!