In the last few years, David Harris has received a crash course in estate planning. In March of 2010, at the age of 49, Harris received a diagnosis of terminal colon cancer. “I was told I had a 12- to 18-month window to prepare myself and my family,” he says. Recalling the challenges his father and his friend had faced in determining what assets were left and where they were following the loss of a loved one, Harris was determined that his wealth would be passed down to futur