Most national retailers close on 2 holidays. Costco shuts down for 7.

Fonte: Business Insider

Costco's holiday closing dates are posted at the front entrance of a Costco warehouse. Dominick Reuter/Business InsiderNo Costco for you on Labor Day - the warehouse has long closed US stores on seven holidays each year. The retailer's former CFO Richard Galanti told Business Insider the cost was never a consideration.