This probably competes with the IKEA houses announced in the past few years. But the best concept for modular, mobile micro homes in my opinion is still the Nag

This probably competes with the IKEA houses announced in the past few years. But the best concept for modular, mobile micro homes in my opinion is still the Nagakin Tower (https://en.wikipedia.org/wiki/Nakagin_Capsule_Tower https://en.wikipedia.org/wiki/Nakagin_Capsule_Tower). Imagine taking your home cube with you to another big city and having it attached to a fixed base (your choice of floor and orientation as available), or even just relocating to be in walking distance from your new office.