Use 3-Pass Method
1). Cross a CAT SCALE when hitched and rigging taut.
2). Cross again with rigging fully slack
3). Park trailer and cross solo.
All passengers aboard. Loaded for camping. Full fresh water and propane.
Get all three scale tickets. Post.
Pic of axle/wheel/tire limit sticker. (GVWR, etc, don’t mean much).
Hitch rigging should be adjusted so that the TV STEER AXLE WEIGHT is the same in both the First & Third scale tickets. TT should be dead-Level once finished. TV might be down slightly in rear compared to unhitched.
Tire pressure needs to reflect actual load. Neither low nor high, as either reduces performance.
Get the numbers.