https://www.cnet.com/news/black-friday-2018-costco-deals-800-surface-pro-bundle-250-ipad-and-more/ > Like many retailers, Costco will close its doors on the Wednesday evening before Thanksgiving Day and reopen at 9 a.m. local time on Black Friday. Most of Costco's deals will be available both in stores and online -- though some will be exclusively online. > As always, remember the caveats: