18 Facts About Costco That Made Us Go ‘Oh That’s Interesting…’

16. About a third of Costco’s business comes from California.

Which means they have to treat California like golden gods, basically.

17. Sunday is their busiest day.

Which is not too surprising if you’ve ever been there on a Sunday.


It’s actually cost them a lot of money to keep it that way, too. But to them, it’s all about building and maintaining a brand.