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I'm sure you can request it and possible get a CLI but if you have the CSP with 16.7k, I wouldn't bother. Plus the Discover is giving you CB just like the CFU. If anything, I would consolidate the 2 cards into one (move the CFU CL to the CSP CL). In the end though, it's up to you.
If you look around the forum you will find numerous posts suggesting applying for a new card with Chase rather than asking for a CLI.
Good luck with whatever you decide.
@xaximus wrote:If anything, I would consolidate the 2 cards into one (move the CFU CL to the CSP CL).
I wouldn't do that especially if the OP is wanting to earn points in Chase's UR ecosystem. If anything - if OP can swing it - is applying for the Freedom to complete the trifecta and move limits around accordingly til OP is happy. But as AJC pointed out do you really need it? Because usually taking a HP for a CLI request doesn't usually being good results as far size of the CLI itself.