On this page there’s 4 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 371 address book examples.)

The screenshot was taken on February 8, 2019 and depicts Costco’s Address Book. In total, we’ve reviewed 65 of Costco’s page designs. To see them all, visit the full Costco UX case study.