Target.com has a new photo offer: buy one get one free photo greeting cards! Buy one at $3.99, and get a 2nd for free with a store coupon. This deal doubles your money:

Buy 2 Folded 5×7″ Photo Greeting Cards $3.99, regular price
Use one B1G1 Free – 5×7″ Folded Greeting Card, limit one coupon or offer per guest, Target Coupon – (target.com)
Final Price: $2.00 each, when you buy 2