Walmart offers the Sceptre 54.6" 4K LED-Backlit LCD Ultra HD Television for $299.99 with free shipping. That's tied with last week's mention as the lowest price we've seen. (It's a current low by $50.) It features a 3840x2160 (2160p) native resolution, LED backlight, USB, and four HDMI inputs.
You don't have to join Sam's Club to shop its warehouses or website. Consider these alternatives before you buy or renew a membership.