You want estrogen to be in the normal range. Don't use an AI if you are going to crash it but maybe you can get it lower but still in the normal range.
Great update brother. You are looking fantastic. Only 2 weeks in and you are already having some great effects which is awesome. Keep grinding and you got this!
Cholesterol always gets fucked while on cycle. Make sure you keep doing things right and they will come back to normal after the cycle and things level out again.
I am sorry to hear that man. If you are not going to be able to train and diet properly, then stop. If you can continue to train and diet properly, then continue.