Seems like everyone is doing yoga today - and there are almost 50k studios, just in the U.S. But owning a studio is not as easy as it looks. Sure, your yoga class is busy, but then what? You still have to pay rent on the other 22 hours a day! Verge Yoga owner Carole McKeon shares her journey from fitness guru to yoga instructor and studio owner, and the joys and challenges along the way.