https://www.shutterfly.com/photo-gifts/magnet%203×3-magnet%203×5–magnets?C – select One 3″x5″ Magnet and Two 3″x3″ Magnets. Personalize them and use promo codes FTYDRCV7B & APPMAGS in cart. In your cart click manage promos and uncheck where it says Unlimited $2 magnets. Make sure only these boxes are checked:
Enjoy $30 off your order
Free economy shipping on magnets over $10
Then go to your cart to get them free with free shipping.
–Update – it’s still working, but will come to about $.26 shipped.