The unlocked versions of Samsung's Galaxy S8 and S8+ officially went on sale in the US at the end of last month, and ever since they've been priced at $724.99 and $824.99, respectively. Now though, Best Buy has an interesting deal for either device, as long as you're fine with choosing the Midnight Black color version (the offer isn't available for the other hues). While the prices of the handsets haven't gone down, the retailer is throwing in a $200 gift card with your purchase of an S8 or S8+. That means that if you need to buy something else from Best Buy, something (or multiple...
Source: http://www.gsmarena.com/buy_an_unlocked_galaxy_s8_or_s8_receive_a_200_gift_card-news-25939.php