I haven't tested thisbut only because I want to actually want to take my time to think of something nice to send to my mom. The right-hand side of the site says that if you use the code CARD4MOM, both the card and stamp are free. My only concern is that I'll mess up the card somehow. If there's one thing I learned from last year's debacle, it's that mom's don't like it when you give them a card that says “Hey mom, could you send me $50 please?”
The offer is valid through May 4th and the find print says if you order by May 1st, delivery should be made before Mother's Day.