Waived fee memberships can be used for anyone you don't intend to charge e.g. those doing a free trial or your coaches who train for free.
Navigate to Finance and select Products.
You'll see your existing Products on this page.
Next select '+Add New Membership' and enter the name of the Product you are creating, then from the Price Type dropdown select 'Waived Fees'. Enter any other details you require for the product e.g. expiry, session limits or groups and select Save.