Las Vegas-style slot machines are coming to Miami-Dade County, and with them promises of USD 100 million makeovers of gambling sites, luxurious facilities and more options for South Florida gamblers. But before the first shovel is sunk or dollar borrowed, racetrack executives in Broward County have advice for their counterparts to the south. "I would say be careful. It’s hard to spend that type of money with the tax rate we have now," said Dan Adkins, president of Mardi Gras Racetrack and Gaming Center in Hallandale Beach.