He also joked that he had a hard time getting a loan. They wanted to see plans, etc. “Why the hell do you need plans for a house?”. He built aircraft; those you needed plans for.
In vernacular architecture, someone woke up one day and decided to build a house. They built it house-shaped, from whatever materials were cheapest and most available in their region at the time, using whatever techniques were common in said time and place. The patterns of vernacular houses in different times and places are fascinating; you're shining a flashlight through the region of a peoples' brains where the archetype "house" is stored and seeing what it looks like.
Loaning standards were different back then, based on my acquired knowledge from The Big Short.