Momence has a feature using the POS that allows adding memberships to customer profiles without immediately charging.
How to charge customers at start of membership?
Click on Home
Click on Point of sale
Select customer from the drop down
Click on the Membership
Select the membership from the drop down
Click on the checkbox for "Start the membership later"
Click on Add to cart
Under Payment select Pay at start
Click on Confirm
How to confirm Pay at start?
Under the customer profile you will see the Pay at start icon under their Overview page
Students will not be able to book any classes that happen before their start date using this membership; however, they will be able to start bookings that occur after the start of their membership.