I got home from work got my mail saw i had a bill from american express. I dont have an american express card!!! It was a bill for almost a hundred dollars. I call to find out what it was. They told me it was a costco membership renewal fee. when I signed up for my costco card i was told i needed to sign up for american express card but it wont be active unless i call to activate it. Bull shit!!! they charged a renewal fee to that instead of sending me a renewal notice or asking at check stand. the bill was over due to boot. How can it be legal to charge an inactive card on a membership i'm not sure i even want. read full review »