https://www.cnbc.com/2017/11/21/black-friday-4k-tvs-what-to-know-before-you-buy.html >You can save a lot of money if you're buying a new TV on Black Friday, but there are a few things you need to know about first. >I was just shopping for a new TV. I don't really need a new one, but the prices are so low that I thought I could replace my aging 1080p TV with a new 4K one of the same size, while only spending a few hundred dollars.