Travel trailers are really only meant for 3 seasons. Of course people do get by with ordering winter packages, skirting, and several heating sources. The people that do live full time in cold climates are also spending 40g on big fifth wheel trailers. Really only you know what'll work. Single wide trailers, mini barns delivered and finished inside, small cabins, and tiny houses are all options for you. I will say good for you on researching how to live well in retirement. Big utilities and property taxes alone can kill a pension.
