this Austin startup (founded by an ex-SpaceX engineer) just figured out how to build your house for HALF the cost when Elon talks about abundance and money becoming irrelevant in the future, this is what he means the trick is building the house in a factory instead of onsite: > machines make every wall, floor and roof panel, plus your kitchens and bathrooms > the whole house packs into 4 shipping containers and gets trucked to your plot of land > the crew snaps it together on site in days,…