This was posted a couple weeks ago at $729.20 – so price has gone down.
Canon Refurbished
EOS Rebel T6i EF-S 18-135mm f/3.5-5.6 IS STM Kit Refurbished
FREE Battery Grip BG-E18 & Battery Pack LP-E17 Kit
$649.20 +tax, free shipping
https://shop.usa.canon.