Costco has many restaurant gift cards worthe $100 for just $79.99 each. That is 20% off at these restaurants. In addition, you can usually use gift cards on promotional deals or coupons for even greater savings stacked together. The restaurants are: McCormick & Schmick’s, Baja Fresh, Brook’s Steak House, Delmonico’s, Las Vegas Restaurants, Rosemary’s, San Diego Restaurants, and Tap House Grill.