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Snapfish has a few deals right now. Besides their Penny Sale, they are also offering you 5 FREE Greeting Cards just to try them out! You must order 5 to get them for free and you will have to pay shipping but the cost of shipping is nothing compared to the cost of 5 personalized greeting cards.
Use coupon code TRY5CARDS at checkout to receive them for free. This offer expires September 30th.