Restaurant.com has come out with a new coupon code which is FUN. It will give you 80% off which means you can get a $25. gift certificate for $2. This offer is good until July 12.
When they have these fantastic sales, I have purchased generic gift certificates to use later so I can take advantage of the sale. When you use a certificate, it has to be for the specific restaurant you are visiting. If you purchase the generic, you can then use it later to purchase the specific certificate you want. The certificates are all good for one year from the date of purchase.
FYI - I did purchase several when we were in Florida a couple of years ago and then it turned out we didn't use them all. I contacted restaurant.com to explain and they refunded my money for the unused certificates.