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It seems from reading other threads you will get the minimum 500 I think after you get an early CLI. My DW initially had a 500 SL , 2 months in she was given a 1500 CLI. When the Credit Steps ended, she received 500. Seems to be the norm for those that get an early CLI but of course, YMMV.
I requested a CLI online after about 5 months, and got 500 added to my 300 SL. Credit steps gave me an additional 500 a few days later.