Does it make sense...?

[Blender]

... for me to apply for the CFU, if I:

-have a CIU (1.5%) and also,

-have a CFF (other categories similar to CFU)

To add, I don't yet have a sapphire card (planning a summer app). 

[SouthJamaica]

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@Blender wrote:

... for me to apply for the CFU, if I:

-have a CIU (1.5%) and also,

-have a CFF (other categories similar to CFU)

To add, I don't yet have a sapphire card (planning a summer app). 

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I think it would make more sense to add the Sapphire card.

[JoeRockhead]

I agree with @SouthJamaica that a Sapphire would make more sense.

[Priory_Man]

I would just app for the CSP and start enjoying its benefits

[Blender]

I agree with the 3 of you, that's my whale card and my scores are the best they've ever been.

The part i left out was that I'm still seeking a long 0% card for a large purchase which is why I considered still getting the CFU, even tho its essentially a second 1.5% card. That and being able to move limits around if I didn'y get what I need.