I have a wicked migraine and have to go to the library and extension office today. I need to do some research on building codes.
I found out that if we were to go completely underground, we are looking at an extra $10,000 US.
I do realize that resale of dome homes are very low, and that banks do not like to finance them. I have found a owner/builder construction loan that will cover all earth shelters, including domes.