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They draw a line at 5 revolvers, but you can definitely get more. Just ask @Anonymous @K-in-Boston and @FinStar

No true limit, but for most people the real limit is 5 revolvers use to be 4, but has been 5 for awhile. With that said if you are high income and scores there really is no limit as I know several people with 8-10 cards on this board being all revolvers from Amex/Centurion bank. If you ask them(amex) they say there is no limit it is what your profile supports aka income, etc. I have always personally been stuck at 5 along with most others. Few outliers such as @Mahraja and @FinStar and alot others certainly break this mold
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We just had this conversation in garden club. Think fin has 10 or 12

I just noticed your cards are ordered by color.

My one regret is cancelling my Ritz card and not being able to get it back prior to them closing up new applications. I wouldn't close it if I were you. Didn't read that portion of the post. Nothing quite matches the Ritz card for various reasons, not the best earning card, but other cool perks and as mentioned it is a true "infinite" card