Walmart offers the JVC 58" 4K Flat HDR Ultra HD Smart Television, model no. LT-58MA887, for $299.99 with free shipping. That's $200 off and the second-best price we've seen for a 58" 4K TV. It features streaming apps, USB, and three HDMI inputs.
Before you spend another dollar on items and services like these, check with your public library. You will likely be surprised by what it offers for free.