Steven Bartlett is incubating podcasters like Maggie Sellers Reum. Sam Barnes/Sportsfile for Web Summit Qatar and Tommaso Boddi/USSF via Getty Images "Hot Smart Rich" podcaster Maggie Sellers Reum shared the best advice she got from Steven Bartlett. Bartlett invested in Sellers Reum and is applying his "The Diary of a CEO" blueprint to her show. Sellers Reum also discussed what it was like to negotiate her deal with him. "Hot Smart Rich" podcaster Maggie Sellers Reum didn't just get a seven-fi