We typically see TVs of this size priced well above $500.
Brad's Deals Editor Michael,
This Samsung 58" 4K Smart TV (model UN58MU6070) drops from $649.99 to $488 when you add it to your cart at Walmart.com. Plus the shipping is free. This is the best price we found for one by $59. It has 60Hz refresh rate and a 4K display that's compatible with high dynamic range content. It also has built-in WiFi so you can access online streaming apps. Sales tax is charged in most states.