Use the campaign product Stagger Fulfillments option to bill a subscription on a regular interval but deliver on a less frequent interval than the billings.
Check the Stagger Fulfillments box
Enter the cycle on which to deliver product
Set the product billing cycles. The last cycle entered should be the cycle on which to start staggering fulfillments. The last cycle should always be shippable. Do not enter a cycle for the non-shippable billings.