To be a Costco member, you must "bend like the wind" because at any given moment there's bound to be a change at the warehouse. Whether it's something expected like an increase to membership fees or something more epic, like the food court's recent plan to switch to Coca-Cola products, a change is gonna come.

For years, Costco members have been able to grind their own coffee beans using specialized grinders in stores across the country. But now, their access to these grinders is being revoked after an apparent string of misuses of the machines.