Get Restaurant.com certificates for 60% off plus a free gift by using the code HARVEST at checkout. You will be given 10% off select Orbitz hotels with every order (whoopee!).
I usually like to get these when they are at 80% discount, but a lot of the restaurants I want to get are out of stock. The beginning of the month is a good time to see if the ones you want are in stock. And $4 isn’t really all that much more than $2 when the cheapie in me looks at it like a normal person.