In terms of deciding whether case coach or craftingcases is best for you, note that both are great prep firms:
a) I generally recommend trying to find a coach who tailors their approach to you and give them a call if you are unsure and evaluate on that basis rather than only using other people's references
b) references are great but it helps if you have more input points. If you reach out by mail and ask for a call someone should be able to speak at least 10min and help you evaluate whether it is a good program for you.
c) It is also a good sign for you to see how they respond, for example if you email specific questions between your coaching sessions, will they answer or not, or does everything cost extra - ask them.
(If you are still considering what to sign up for: I offer advice completely tailored to your situation and am happy to have a free conversation with you to explore whether it could be helpful to you. I also point candidates to free resources at the end of a call so they know how they can pratise on their own. )