“Most of the biggest real estate fortunes were not made in good times, but in bad times like this” Barbara Corcoran reminds us in this talk with NBC . It’s important perspective for Americans wondering how to invest in foreclosed properties without losing their cash or their credit rating. In the 4-minute interview, Corcoran quips on the basics and the essentials of foreclosure investing, “Everyone who loses their shirt loses it somewhere else.” “Every big shark started small.” “The house on the corner sets the tone for the block.” She also lends some personal perspective to rent rolls, the cost of losing a tenant, and finding a good business partner.