Restaurant.com is having another 80 percent off sale on their gift certificates (this deal ends 1/31 at 11:59 p.m.). Here's how to use them: 1) Go to www.restaurant.com and put in your zip code to find restaurants in your area. 2) Buy a $25 gift certificate (subject to availability) for your desired restaurant 3) Put in the promo code BONUS at checkout at hit APPLY. 4) Print your gift certificate from your computer ** You must read the fine print. At most restaurants, you have to spend $50 in order to use the $25 gift certificate. Alcohol is usually not counted toward the $50 purchase.