It seems that you and I arn't the only ones who've been thinking these thoughts.

Discussion pertinent to production, connectivity and scale is concentrated at about the 13m mark.

It has blackout windows(well, he doesn't demo it, so the prototype probably doesn't, but it seems like he's pretty confident of what they're going to be once they're mass producing them), and an app for controlling house functions and using relocation services. It's a lot smaller than some of the modular houses I think you're imagining but it's painfully relevant to the overall mission. It is probably the right place to start.