Amazon has the Insignia NS-39DF510NA19 39" 1080p Smart LED TV (Fire TV Edition) for $129.99 with free shipping.

• 1920 x 1080p, 60Hz refresh rate, Voice Remote with Alexa
• Built-in Wi-Fi, Ethernet, 178° viewing angles, DTS TruSurround, 3 x HDMI

Walmart.com has the LG 55UK6300PUE 55" 4K HDR Smart LED TV (2018) for $399.99 with free shipping or in-store pickup.

• 3840 x 2160p (4K UHD), HDR compatible, TruMotion 120
• Quad-core processor, 20W speaker system, 3 x HDMI inputs
• $500 at Amazon

Ends 11/12.Sam's Club has a Vizio E55-E1 55" 4K UHD SmartCast Display E55-E1 for (2016 model) for $398 + 10% nonmember surcharge = $438 with free shipping.You might be better off to buying a membership if you don't have one ($45; choose "Join now" in cart).

• 3840x2160 (4K UHD), 120Hz native refresh rate, 12 Active LED Zones
• Full-array LED backligh, built-in Google ChromeCast, 4 x HDMI