Unredeemed used in a sentence

Unredeemed in a sentence as an adjective

This makes it a pain to discover unredeemed keys.

I'm about to move to another and leave two groupons that I never got around to using unredeemed.

Selling an unredeemed coupon is, of course, acceptable.

You also have no way of knowing if an unredeemed key is held by a legitimate potential player or someone trying to hoard and resell.

A fair question to ask would be how much revenue is coming from the subscriptions vs sales of the product, and how many credits per user are unredeemed?

Revenue from breakage is almost entirely profit, since companies need not provide any goods or services for unredeemed gift cards.