Walmart offers the RCA 54.6" 4K Flat LED Ultra HD Television, model no. RTU5540-C, for $259.99 with free shipping. That's tied with our mention from two weeks ago as the lowest price we've seen. (It's the best deal today by $40.) It features a 3840x2160 (4K) native resolution and four HDMI inputs.
You've worked hard for your money. Now let your money go to work for you.