Once considered to be bougie luxury appliances, 4K TVs are borderline mainstream at this point. In fact, one analytics firm estimated that almost 50 percent of all American households will own one by next year. 

That's a pretty big deal, considering 4K TV ownership in the U.S. was only 1 percent five years ago.

As more and more people look into upgrading their home theater setups with 4K displays, retailers are of course competing to win us over with great bargains and markdowns....

Continue Reading Here's how to get $300 off a 55-inch LG 4K smart TV at Walmart