There are an amazing people who are living off of the grid in the United States. Living off of the grid may include the postal, garbage pick-up, sewer and power grid. Living off of the grid provides a person with an opportunity to live a more.
Cob house must-haves: reading and meditation nooks (I'd totally paint this like a tree - so you can feel like you're climbing into the trunk :). My dream home would have reading nooks like this one in it,I love the window for sunlight.