JUST as Cody Butler and Joey Trombetta were searching for a spot to open a second branch of their Austin-based fitness boutique, Heat Bootcamp, they began losing business. Their clients weren’t trading their kettlebells and TRX bands for some other form of corporal torture; they were leaving town. “Every few months someone would come up to us and say ‘Love you guys, but we need more space and can’t afford it in Austin so we’re moving to the suburbs in Hays County’,” Mr Trombetta recalls. The buff...