There's certainly a knack to it, but it has nothing to do with accountants or classified information. If one has experience in this sort of thing, it's generall

There's certainly a knack to it, but it has nothing to do with accountants or classified information. If one has experience in this sort of thing, it's generally possible to ballpark likely value-adds based on a single 30-minute conversation. Experienced consultants in this tier often offer a free initial call with prospective clients partly for this reason.