Originally Posted by Wojo
We fill up before leaving home.
Same here. It helps in avoiding the flavorful mineral well water in Texas hill country parks. It has no negative effect on camper balance and the camper has ample cargo capacity for the weight. And I never use a full tank over a weekend anyway.
The only appliance that is not readily visible from the inside or out is the water pump in the undersink cabinet. Everything else has a distinct cover or vent grille. The least obvious cover is the furnace, which is located inside the street (driver's) side front bench with the water heater. Pull the bench top and have a look. The furnace has its own fuse in that compartment with a different rating from the ones in the converter and you need to know where it is.
Over time, you'll learn to "enjoy" the ability to predict the inside layout of any camper by the locations of the appliance covers and vents.