For $10,000 you could easily hire someone to build a cement cinder block building. The high costs come from the other trades: electrical, plumbing, HVAC. Making

For $10,000 you could easily hire someone to build a cement cinder block building. The high costs come from the other trades: electrical, plumbing, HVAC. Making all of these pieces modular would be revolutionary. I think a prefab 4' x 8' section of steel frame and foam wall that could be bolted together with channels for interconnecting utilities would make truly plug-and-play style housing.