So nothing to back up any of your claims. Cool, cool. Keep digging.
Who is running all the wires through the conduit? The fridge outlet just magically appears in the wall all hooked up for your super tech to hook into it? Who do you think wires up lighting and electrical outlets?
Show me one legit project with a house built and sold by one 3D printer technician. I've got plenty of time today.
Imagine telling a bunch of construction workers that you can do their job because you can put together IKEA furniture. I'm dying here. Are you 3D printing the plumbing?
Where is the roof? Who is putting the doors on? Do I get kitchen cabinets or what?