Abstract: Allowing a subscriber of a service to use unused service units associated with a service plan to purchase products or services is provided. Unused service units (e.g., minutes of voice calling, number of text messages, megabytes of data, etc.) may be tracked and converted into units of value. An amount of redemption value units may be exchanged for one or more prescribed products or services. Options of redeemable products or services may be presented to the subscriber. Upon selection of one or more products or services, the selected product or service may be provided, and the subscriber's unused service units account balance may be reconciled.