Another similar material is earthbags: http://goodearthglobal.org/faq http://goodearthglobal.org/faq This page mentions $15/sq-ft, and declining, so a 500 sq f

Another similar material is earthbags: http://goodearthglobal.org/faq http://goodearthglobal.org/faq This page mentions $15/sq-ft, and declining, so a 500 sq ft home would be $7500. Or 100 months of average income in this part of Mexico.