Restaurant.com is offering 70% off any gift certificate for a limited time. To get discount, use the coupon code: PLATE at checkout. This gets you $25 dining certificates for as low as $3, and $10 gift certificates for as low as $1.50. 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. Coupon expires March 22, 2011.