He runs a convenience store in Levittown, New York. For the past 10 years, Avi Gandhi has owned and solely operated Center Land Stationery -- working 12 hours a day, 7 days a week, without a single sick day. He is, however, much more than a guy who punches numbers into the cash register. "He knew the names of everyone who came in, who their family was, what their disappointments were, the dreams they had. He would frequently joke, offer sage advice, let people pay him back if they were hard up, listen intently, and make people feel like they mattered," says friend and customer, Celeste Hamilton Dennis. So when the local community learned that he was going to have to let go of his lease, they stepped up with a flash mob to show him how much they loved him. Take a look.