[TrevorJ]

A couple generations ago it was not uncommon for people in rural areas to buy old boxcars from the railroad for this purpose. My grandfather did it.

[mauvehaus]

Prior art: The Boxcar Children.

https://en.wikipedia.org/wiki/The_Boxcar_Children

Not to be confused with the yet to be written The Bockscar Children, which would be a bleaker series altogether.

https://en.wikipedia.org/wiki/Bockscar