The M-series from Vizio gets good marks from qualified online reviewers.
Brad's Deals Editor David,
Get this Vizio 50" 4K HDR Smart TV (model M506x-H9) for $298 with free shipping at Walmart.com. This model is exclusive to Walmart, but it's a comparably low price by $30. This is a 4K HDR TV with built-in WiFi for streaming entertainment. It's also compatible with digital assistants, such as Alexa, Google Assistant, and Siri. Sales tax is charged in most states.