Caitlin Kelly examines how we spend our money. She worked for more than 2 years as a retail associate to investigate all aspects of retailing—from factory workers in China to Americans struggling to support large families on poverty-level wages. Retail is the nation’s third largest industry and the U.S.’s largest source of new jobs. We discuss what it’s really like to work for $8-$10 per hour from her book, Malled.