In my experience, people in general don't like to hear the unvarnished truth. You will have to say it with some finesse for them to absorb it and for you to get referrals as a consultant. If you can present your analysis well, and help them know what to do about it, it's a viable business.
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Franma
"It seems that for success in science and art, a dash of autism is essential." Hans Asperger
In the end I'm just me whatever that may be