Today only, Jun 20, 2014, Restaurant.com is offering 70% off any gift certificate for a limited time. To get discount, use the coupon code: SUMMER at checkout. This gets you $25 gift certificates for as low as $3, $15 gift certificates for as low as $1.80, $10 dining certificates for as low as $1.20, and $5 gift certificates for as low as 60-cents. Restaurant.com’s gift certificates are redeemable at local restaurants across the United States. Some gift certificates have restrictions, like dinner-only or a $15 minimum.