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it's something I have always wanted to do and as you said make a living out of.
I can hardly believe that it has been a life long dream... you applied 2 years ago, but were unable to make the interview. In the following 2 years you have not even gone for a TIF... if flying was something you wanted to do, you would of thrown every resource you have (time and money) in to becoming a pilot. It appears, to me, that you have seen that CX has offered a course which is "FREE" and you are now jumping at it...