The GoPro HERO4 Silver Action Camera drops from $399.99 to $299.99 when you add it to your cart at the Microsoft Store. Plus, the shipping is free. This is the lowest price we could find for this camera by $44. In fact, this is the lowest price we've seen for one since last year's holiday shopping season. The Hero4 Silver shoots 1080p at 60fps and 720p at 120fps. It's also waterproof up to 130ft, shoots 12MP still photos, has built-in WiFi, Bluetooth and more. Sales tax is charged in most states.