companies. rock climbing, pole dancing, so much more, but what makes the ones that get traction work and so many others fall by the waist side? we met one the founder of 305 fitness to see how she's grown her company that offers exercise classes that incorporate all the fun of a miami dance club. ♪ walk into a 305 fitness studio class and you might think you have arrived at the wrong place. there's a deejay, disco lights, high liquor graphed dance moves and no yoga mats or barbells. >> there's mystery, style, cool, chic, nightclub experience, music festival experience, that kind of more party with your friends. >> this miami dance club fitness class concept was created by florida native is sadie who is now living in new york city. >> i entered a business competition my senior year and won $25,000. >> at first her budget was so