How much does the 28 Day Breakthru cost? HelpDesk August 30, 2018 01:02 Updated A one off upfront payment of $59 is required to join our 28 Day Breakthru. Related articles Do I have to be a member of Fernwood gyms to join the 28 Day Breakthru? How can I access the Members' Lounge? Is there a beginner exercise program? When can I start my 28 Day Breakthru? Is the 28 Day Breakthru backed by any Australian governing bodies?