Electronic Express on ebay has 55" TCL 55P607 4K UHD HDR Roku Smart LED TV (2017 Model) on sale for $649.99 - $50 w/ promotional code P20LABORDAY = $599.99. Shipping is free. You get another $6 ebucks too.
ebay listing [ebay.com]
Most wont pay for sales tax compared to previous Amazon deal. Electronics Express has a 99.5% positive feedback rating.
rtings says this is one of the best budget TVs around: review [rtings.com]
Refresh Rate: 120Hz
4K UHD, Roku Smart + WiFi
1x Digital Optical Audio