Every gram up top is borrowed against ratings you can look up and torque you can check.
The mattress is thin by design; comfort comes from what you add and how you ventilate.
Every night trip uses the ladder. Make the ladder and its surroundings stupid-easy.
The tent is the bedroom; the awning side is the house. Pack the house.
Up high you feel weather earlier and harder than ground campers do.
The tent changes your clearances, centre of mass and mirror picture from day one.