Just in time for Mother's Day, score five free custom greeting cards on Shutterfly.com. Upload your own photos and customize your text to create five free 5x7 greeting cards. Just enter promo code 5FREECARDS once you get to checkout. Any of the 5x7 offerings are eligible and you can choose ones without text or a specific holiday theme just to keep "generic" cards on hand.
The deal does not include taxes and shipping, but if you choose the cheapest shipping method your order total should only be about $6. The offer is good through midnight, April 24.