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If you put 209 your limit will be 20o up on unsecurement .If you do 2500 they will refund the 2500 and you will keep the same limit .So yes it does affect your future SL .As for CLI it is not easy to say . I think you have 60? Days to keep adding to the deposit. Not sure never had one but check online and see what it says .See if you can add anymore before the time is up. If you can great. If not it will grow in time and patience .Congrats