Modular homes are an idea that has been around a long long time but never seems to catch on.

According to Boxabls they start at $133/sqft. New built on site home construction ranges from $100 to $200 per sq ft, for "normal" build sites. With "BOX"abls you get a box that looks like a pre-built home.

Re, flying cars. You got that right, its batteries. Been waiting 55 years for the battery breakthrough.