INTRODUCTION: Neighbors who lived near my home in a small Arizona town suffered the misfortune of having the foundation of their home crack. The displacement left three- and four-inch gaps between the bricks of the west and north walls. It was a preventable calamity. Everyone knew that the soil was sandy and that the foundation, in order to remain secure, had to rest on bedrock. But in an effort to cut costs and save time, the owner and contractor agreed to shortcuts that led to disaster.