Many people in their 50s came to Florida to retire but, for financial reasons or out of boredom, have reentered the work force. "These people have everything you want including experience," says the 60-year-old entrepreneur, who moved his firm from New York City in July 2002 and has since gone from four to 30 employees. "They like being here and they know it costs less. Every dollar they make here is simply worth more."