But terrible at offering selection. If you don't like the color, well, tough because that's the one they stock. Maybe if you're lucky they'll have a second color or style for sale.
That's what sheets are for...
Or: You saw it last week? We’ll, too bad. We have a completely new set for sale today.
I say this as a huge Costco shopper and fan. Serendipity and spontaneity is the name of the game at Costco.