In "debugging the development process," the author recommends the method of "make a quick estimate, then give a range between that and 5x that. Suggest that the

In "debugging the development process," the author recommends the method of "make a quick estimate, then give a range between that and 5x that. Suggest that the estimate can be made narrower only with significant additional scheduled work." I like it, because it's true, it works, and it deals with the inherent uncertainty of software development by letting those who ask decide how much they want to pay for how much certainty.