Costco offers its members the Hisense 58" 4K HDR Flat LED Ultra HD Smart Television, model no. 58H6550E, for $379.99 with free shipping. (Non-members pay an extra $18.99.) That's the best price we could find for a similar TV by $170 and a great price for a 58" 4K smart TV. Features include:
3840x2160 (4K, 2160p) native resolution
Smart Hub (with access to Netflix, YouTube, Hulu Plus, more)
three HDMI ports, and two USB
There are many ways to get cheap and even free services and goods after reaching a certain age.