On this page there’s 21 highlights (view in Baymard Premium) outlining what Costco are doing right and wrong.
(Tip: use the arrows above or on your keyboard to navigate all 599 billing address examples.)

The screenshot was taken on April 26, 2019 and depicts Costco’s Billing Address. In total, we’ve reviewed 65 of Costco’s page designs. To see them all, visit the full Costco UX case study.