Besides the earth bag homes I have been looking at shipping container homes for some time now. That would be my second choice to a off the grid style of home. Reason why it being second containers are expensive. But it is cheaper then purchasing a new modern home that's for sure. Some people have converted them to bomb shelters and modern living spaces. Whatever your imagination can draw up, these guys provide a excellent basis to grow on. Check it out. Spoiler: Click here to see pictures of shipping container homes.