Restaurant.com normally sells $25 gift certificates for $10. With coupon code ENTREE, you can get a $25 certificate for $2. I've only once seen certificates at Restaurant.com sold for 90% off, so this is one of their best deals.

This deal expires Nov. 12, 2009. Remember to check the redemption rules before you buy a cert. Each restaurant sets their own rules and some of them have a minimum food purchase to use a cert, exclude alcohol, or have specific days and times you can use them.

Caveats: Some $25 certs have a retail price of $12.50 or $15. You can only buy one $25 certificate per visit to a restaurant.