Am I eligible for Flat Bill? Amelia Miller October 19, 2018 15:59 Maybe! Those who are eligible will receive an email from us with details on the program along with their personalized rate. Related articles How does Flat Bill work? Can I unenroll from Flat Bill? What are the Amazon Home Efficiency Bundles? How much does membership cost? Am I eligible for an Amazon Home Efficiency Bundle? Comments 0 comments Please sign in to leave a comment.