Restaurant.com is offering 70% off any gift certificate for a limited time, that gets you most $10 dining certificates for $1.50 and $25 gift certificates for $3. To get discount, use the coupon code: PLATE at checkout. 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. Each restaurant lists its individual restrictions.