To Sam This is about youre wanting to upgrade to the platinum card. This may sound a little weird but it sounds like the representative you spoke to was a little bit mixed up. To upgrade to the Gold card you need a 5,000 limit. But to upgrade to the platinum card you only need a 1,000 limit. I know that sounds weird but its because by the time the platinum card was introduced (which was two years after the gold card) citibank had changed there minds on the limit requirements for their cards. It sounds like the representative you where talking to didnt know what they where talking about. If you call them back they should be able to upgrade you to the platinum card very easily.