Shutterfly has Photo Magnets for $1 with code "DOLLARMAGS". Shipping is free on $10+ with code "FREESHIP10". Offer is limited to one magnet size and type per order for the duration of the promo period.
Shutterfly is offering Custom Magnets (Exclusions Apply) on sale for $1 each when you add multiples of the same size to your cart and apply promo code "DOLLARMAGS". Shipping is free when you purchase 10 or more and apply promo code "FREESHIP10".
Shutterfly has (up to) 10 magnets for 1$ each when you buy the same size magnet with code DOLLARMAGS and you can combine this with free shipping on magnets with code FREESHIP10
You must buy the same size magnet for the code to work. Free shipping code is for shipping on 10+ magnets but it's usually cheaper to buy extra magnets for the shipping discount if you didn't want 10 to start with.
Shutterfly is offering free shipping on all orders today. Expires 6/18/2019 11.59 PT. Unfortunately you cannot combine with any other promo codes. But hey if it's your first time then get the 100 free prints!