PricePlunge offers a selection of Otterbox Commuter and Defender Cases for select HTC, Windows, and LG smartphones, with prices starting at $2.99 with free shipping. That's tied with our mention from two weeks ago and within a buck of the best price we've seen for any new Otterbox case. Choose from cases for the HTC Windows 8X, HTC One, and LG G Flex, among others.