Good for you. And Im glad you posted the thread so that people get an idea that it is possible and you dont have to be fabulously wealthy to do this.
I want to build my own home too, but Im not sure a cobb home will work for my needs. Im thinking of doing concrete and then burying it except for the one side for light. So with a living roof, but more dirt than the wooden ones. Too many tornadoes here in Tennessee for an above ground cobb for my taste.
Although they are absolutely beautiful. Maybe a guest house somewhere down the line.
For those who need to worry about earth quakes, there are also these,
