Wow, great ides for the trailers!
so far I've done this with our 174 BH Baja
1- Battery operated motion lights in all cabinets
2- 2" memory foam topper on the Queen bed
3- 32" TV mounted over bed instead of counter
4- Solar light on outside of Bathroom Skylight, works as nightlight in bathroom.
5- Cleat above water tank so 2 gallon gravity filter water bag can refill water tank if needed.
6- 4x6v batts for the 5x 100 watt solar panels to charge.
7-2000 watt/4k surge pure sign wave inverter (don't need a genny or xtra fuel)
8- trailer tray on tongue.
9- 6 gal water jug on rear bumper (also acts as ballast for tongue weight)
10- Rear bumper receiver for utility trailer (legal in Idaho to pull two trailers)
11- 4 camera 12v security system to monitor wildlife while boon-docking.
12- Midland Micromobile GMRS two way radio mounted under cabinet.
13- Indoor/outdoor carpet up front in cargo area.
14- hinged lid installed over fresh water tank (under mattress)for visual inspection when needed.
15- addition shelf added in overhead bin over bed.
16- Kick stand added for queen bed mattress when lifted for under bed storage access.
17 Towel hooks in bathroom added.
18 Battery operated solar motion lights on back & over windows on 3 sides, None on awning side. (great for night time set ups and security)