Westend
"...Just wait to you realize you want more solar..."
Solar, battery suite, and PSWI: it is like the old meme for Crackerjacks, "the more you eat, the more you want!" I have told Elaine and our son (who is in the solar business) that more solar and battery would be great. And they tell me that we have more than we need already.
And I agree fully with your statement: "...It may be possible that the modifications add value to the trailer. At time of selling, those may return some money on investment.
For me, it's less about the small bits of money and more about the large changes in comfort or function..."
To us it is all about the changes in comfort (and) function. It is a really bright day at 7800' at son's place in mountains of northern NM so we are running fridge and hot water on AC (why use propane when solar will do it) and we are harvesting 1400 W at moment according to TriStar monitor but draining 13 amps (650 W at 48 V nominal from battery suite).
Doubt that modications to ourrig would make any difference in resale value since there are very few folks that want solar autonomous rigs. Much of what we do/have done in mods are peculiar to our own wants and desires.
Reed and Elaine
Open Range 337RLS 34' 5th wheel (cheap but quite nice)
2006 Chevie 4x4 diesel (duali) w/50 gallon Transferflo auxilliary tank
1420 W solar panels (6 x 235 W), 90 V to controller
8.7 kW-hr LFP (48 V nominal) = 7 kW-hr usable
4.0 kW Magnum PSWI
1 kW Honda generator (never used just turn on every month or so)