This deal has ended.
Get $25 dining certificates for as low as $6 at Restaurant.com via code GIFTS through 12/12. This also drops the price of a $15 gift certificate, which sells for $10 to $3. Not all restaurants participate, but there is a wide selection (18,000+) to choose from. Just make sure that you read the fine print as many restaurants exclude alcoholic beverages, weekends, and holidays.