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I get what you are saying, and on top of that then its the fear of the client not liking it because they have an image in their mind already on how it should look.

Not really:))) most clients have a very faded image of what they want, so is not as hard to surpass that expectation, because you discuss, maby you even sow a skatch , but the final result is always more than they have expected

See and that whole process is why commissions are so special in the first place because the person owning that work can tell the whole story of how it was created.