Walmart offers the GoPro HD HERO4 Silver Edition 4K Action Camcorder in Silver, model no. CHDHY-401, bundled with a $50 Walmart Gift Card for $399.99 with free shipping. Assuming you use the gift card, that's $50 under our mention from a month ago, the lowest total price we could find by $50, and the second-best price we've ever seen for this model.