How much editing is justified?

Vaughn said:

But sometimes I pre-edit my pre-visualization posthaste and not push the shutter button... .

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And the would be editing, too.

Pieter12 said:

And the would be editing, too.

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My successful images have around 75% (totally guessing) of their editing done before I expose the film, though not 75% of the work. Unsuccessful images are edited out 100% except I can't throw negatives away, so they stay around to haunt me.