TCL 65″ 65R617 Roku 4K TV $696.15 – $55.69(8% ebay bonus bucks YMMV) = $640.46 via BuyDig

Just came across this eBay deal this evening and made my purchase:
TCL 65R617 65" Class 6-Series 4K HDR Roku Smart TV (2018 Model)
BuyDig currently offers an extra 15% off automatically.
$819.00
-15% ($122.85)
= $696.15 with free basic shipping.
eBay currently offers an 8% eBay Bucks bonus which equals an extra $55.69 "savings."
So that brings the total cost of this TV down to $640.46.