Ability to purchase a 3, 6, or 12-month subscription up-front, instead of monthly invoicing. Especially for "limited term enabled" subscriptions that people give as gifts, or for up-front bulk purchase discounts.

Examples:

• My Store's Wine Club: $100/month or $1000/year.

• Gift A Monthly Wine Delivery: $600 for 6 packages, delivered monthly for 1/2 year.