One thing that every home-buyer should consider is the future cost AND availability of energy, both electricity and gas.
In the near future, every aspect of modern life in America will change (and indeed, is already so) with the decreasing availability and subsequent increasing cost of energy.
When it comes to resistance to storms and tornados, no other above-gound structure will give you the peace of mind that a Monolithic Dome can offer.
Personally, I like to be comfortable year-round when at home.
The Monolithic Dome is by far the most energy-smart home available.
A Monolithic Dome will ensure your comfort over a lifetime, with far lower maintenance requirements.
No, I don't work for Monolithic, nor do I (yet) own a dome home.
I plan to do so though, and for the above reasons a Monolithic Dome is the ONLY structure I would consider for my home.