くないです => Adjective negation N5
Emphasize the negative meaning
~く/ ~にする      => to make something ~ N4
Add meaning
~は~くらいです      => about the only, to the extent that N3
Emphasis on degree
くする/にする => To make, to change into N5
Change, cause and effect
くする/にする/ようにする => to make something ~, to decide on, to try to; to make sure that ~ N4
せいにする => Blame... N2
Cause, reason
~くらいで      => only N1
くらいの => Approximate~ N3
Emphasis on degree
いたします => to do (polite form of します) N4
...たいんですが => want N4
How to say the beginning
ていく => ...lose, ...go (eliminate) N4
Status
にくい => difficult to do ~ N4