eBay has the Samsung UN40MU6290 40" 4K HDR Smart LED HDTV (2017) for $297 with free shipping. The discounted price is reflected in cart. Features 3840 x 2160 (4K UHD), HDR10, MotionRate 120, Built-in Wi-Fi, 4K Color Drive, 3 HDMI inputs, 2 USB.
Has good Amazon Reviews.
Amazon has the GE Pro Outdoor/Attic Mount 70-Mile Range Antenna (29884) for $30 with free shipping. Has good Amazon Reviews.
Also get it for the same price both at Walmart and Jet.com.
eBay has the LG OLED65C8P 65" 4K UHD HDR Smart OLED TV (model 2018) for $2299 with free shipping. Features 3840 x 2160 (4K UHD), OLED panel, HDR10, HLG, Dolby Vision support, Google Assistant & Amazon Alexa support, Dolby Atmos, Wi-Fi, 4 x HDMI.
Walmart has the 75" Sceptre 4K UHD LED TV (U750CV-U) for $900 with free in-store pickup or $20 shipping to home. List price: $1800. Features 4K (3840x2160) resolution, 5,000:1 contrast ratio, 4 x HDMI 2.0 w/ HDCP 2.2 input, 1 x Componen, 1 x Composite, 1 x RF (Coaxial), 1 x Optical Audio, 1 x RCA Audio, 1 x USB 2.0 inputs.