A New York Times bestselling author has spent $250 million on Florida real estate in the last two years and said he plans to invest $1 billion by the end of the decade.

Grant Cardone, author of “If You’re Not First, You’re Last,” customizes sales training programs for Fortune 500 companies and is a regular commentator on Fox News, Fox Business, NBC and MSNBC. He’s discussed real estate on television with comedian Joan Rivers and appeared on the HGTV’s reality show “Selling LA” to market his $18 million Los Angeles home.