Right now at Shutterfly you can get 12 Free Thank You Cards with the coupon code: CARDSFREE at checkout.
Description: Choose 12 Free Thank you Cards (4×5 flat or 3×5 folded) through Shutterfly.com. Cards ordered must be of the same Card size. Promo can only be redeemed once per account and/or billing address. Taxes, Shipping and Handling will apply. Envelope options will incur extra fees. Not valid on other sizes, foil stamped, photo paper cards, wedding suites, mix and match cards, other products, prepaid plans, cards sent using mailing services, prior purchases, orders placed for in store pick up and orders made through the Shutterfly apps.
Shipping charges will apply.
Right now you can also cash in on 50% off Hard Cover Photo Books Plus 30% Off Everything Else with the coupon code: HAPPYFOURTH at check out. *Note the coupon codes can not be combined so you will need to place 2 orders.