A Montana couple spent $20,000 building a 2-bedroom house, and now they're debt-free. There's just one catch: The house is made of clay, sand, and straw.

They currently run a business teaching others how to build their own sustainable houses through hands-on workshops that cost between $120 to $500.
A Montana couple spent over 2 years building their 700-square-foot cob house by hand. Daniel Ray, the owner, estimates that they spent less than $20,000 on the... Read More