BuyDig takes 20% off a selection of Otterbox phone and tablet cases via coupon code "OTTER20". Plus, most orders receive free shipping. Shop for cases for Samsung, Motorola, HTC, Kindle, and more. Some exclusions may apply. A couple best bets:
Paydeals offers the OtterBox Commuter Series Case for Samsung Galaxy S5 in Black (pictured) for $11.99 with free shipping. That's the lowest total price we could find by a buck, although we saw it for a buck less two weeks ago. It features port covers to block the entry of dust and debris.