Rather than a bunch of pictures, I'll list a lot of my 'convenience' mods
Replaced junk Magnatek 6335 Converter with Progressive Dynamics PD9260.
Installed Charging Monitor pendant for above.
Installed Xantrex Link 20 Battery
Monitor. (No longer available)
Installed auto-switch propane
Installed flashing light
monitor for propane
switch. (No longer available)
Installed Dinosaur P-911 control board for Dometic RM-2607 Fridge
Replaced complete fridge
absorption unit due to failure.
Installed BAL crank down stabilizers for all 4 corners.
Installed 5" plastic fence post under front for stinky slinky.
sparker for all 4 stove burners.
Installed 2nd battery
under dinette seat by door.
Using 2 quality AGM size 27 batteries.
under cabinet to right of sink.
Installed electric power jack.
Replaced all inside lights
with LED fixtures.
Replaced tail lights
with Bargeman LED fixtures.
Installed Hott Rod in water heater for electric heating.
Installed auto-reigniter for water heater (No longer available)
Installed Window Maxx-Air Vents on 3 windows
(4th window blocked by awning
post - no longer available).
Replaced shower head with Ecocamel Jetstorm.
Replaced twin pipe mounts for front dinette with fold-down mount.
Replaced all cushions with Sunbrella on marine foam Custom mades.
with Dexter Nev'R'Adjust brakes
Installed aluminum Truck Box on rear bumper for Honda EU2000i Generator
Converted Honda Genny to propane
Installed Heater Coil in roof 13.5KBTU AC.
Installed Quick-Start mod in Briskaire AC (Doesn't work with Honda Genny).
Modified propane and battery cover to sit better.
Also, Regular Maintenance items as needed - tires
, batteries, etc.
These are the mods that come to mind. There may be more, but, if you search the forum by my name, you'll find many of my mods, some with pictures. These were done over a period of about 13 years since I bought the trailer.
Good luck and enjoy.