Peter Cancro’s journey from a teenager flipping sandwiches to the founder of a multi-billion dollar sandwich chain illustrates the power of entrepreneurship and strategic franchising. His sale of Jersey Mike's to Blackstone has not only elevated his personal fortune to $7.5 billion, placing him notably on the Bloomberg Billionaires Index, but also showcases the rapid growth of the chain from one store to approximately 3,000 locations, demonstrating a successful business model that emphasizes expansion and brand recognition.