They're back. Both in store and on ebay with free shipping.
In store:
https://www.bestbuy.com/site/wd-easystore-8tb-external-usb-3-0-hard-drive-black/5792401.p
ebay:
WD - easystore® 8TB External USB 3.0 Hard Drive - Black 718037856124 | eBay
In store:
https://www.bestbuy.com/site/wd-easystore-8tb-external-usb-3-0-hard-drive-black/5792401.p
ebay:
WD - easystore® 8TB External USB 3.0 Hard Drive - Black 718037856124 | eBay