'Shark Tank' star Barbara Corcoran once made $1.2 million offloading 88 'dumpy' apartments in under 3 hours by treating them like puppies for sale

• Barbara Corcoran once made over $1.2 million by selling 88  apartments in less than three hours.
• The "Shark Tank" star modeled her strategy on a puppy sale she watched as a child.
• The real-estate mogul learned that artificial scarcity can sell both puppies and properties.

Barbara Corcoran once sold 88 lousy apartments within three hours, making her $1.2 million, by cribbing from a puppy sale she witnessed as a child.