Pioneer's 50-inch ... get a 4K LED panel that delivers great colors and contrast, while also offering support for Dolby Vision. But perhaps the most important is that this TV also has smart ...

Things that aren't impossible: Getting a really nice 4K smart TV for less than $300. Yup, you read that correctly: This VIZIO 50-inch Class 4K LED Smart TV is on sale for $299. Damn, Walmart.