This Sharp LC-58Q7370U 58-Inch 4K Ultra Smart HDTV originally $549.99 drops to only $299.99 at Best Buy. You save 45% off the retail price for this 4K Ultra Smart HDTV. Plus, this item ships free. This is the lowest price we could find online by about $50. The Sharp LC-58Q7370U 4K Ultra Smart HDTV features a 57.5″ screen, 2160p resolution, high dynamic range, built-in Roku, two 10W speakers, and 3 HDMI inputs. Sales tax is charged in most states. Deal expires November 30, 2019.