There's a reason why the leading US brands of
fiberglass trailers (Casita and Scamp) sell so many of their units with
propane, toilets, and a black tank. It's because that's what
most people want. I'm always amazed by how these new trailer manufacturers leave out stuff like that and then try to argue how dangerous
propane is and how awful it is to empty the sewage. When I'm traveling, i empty mine no more than once a week and it takes 5 minutes. And I don't have to schlep a smelly container of waste around. And not have
propane installed in a brand new trailer? Why would anyone want to buy a new RV without it? Someday, you're going to be selling it and good luck with that. But I think the worst offender is that new Nest manufacturer that went with a tiny electric
refrigerator because the exhaust ports of a propane unit would impact the awesomeness of their design. Do hipsters really buy that many trailers? Somehow I doubt it.