This document discusses how a couple named Bill and Mary used the equity in their home to purchase an investment property and build wealth over 10 years. They used $250,000 of equity from their $450,000 home to purchase a $425,000 investment property. Through leveraging and tax benefits of property investment, their total wealth grew from $235,274 to $1,189,543 over 10 years while they only contributed $38,017.