For in-store pickup only, Micro Center offers the LG 55" 4K HDR Flat LED Ultra HD Smart Television, model no. 55UK6090PUA, for the in-cart price of $399.99. That's the lowest price we could find by $97 and the best deal we've seen for an LG 55" 4K smart TV. Features include:

3840x2160 (2160p) native resolution

HDR10 & HLG support

802.11ac wireless & Bluetooth 4.2

Smart TV apps

3 HDMI inputs