To give another deviant a direct link to this FAQ answer, use the following code in your comment or forum post:
What is the difference between a Prepaid Subscription Package and a Billing one?
Prepaid Subscription Packages are packages that are paid once and do not auto renew. Prepaid Subscriptions can be purchased in 3 month and 12 months time.
Billing Packages have the option of automatically renewing, depending on which time length you have selected this will either be every month or every 3 months.
