The point you&#x27;re making is exemplified in this article which makes an analogy to a hike from San Francisco to Los Angeles:<p><a href="http:&#x2F;&#x2F;www.michaelrwolfe.com&#x2F;2013&#x2F;10&#x2F;19&#x2F;50&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.michaelrwolfe.com&#x2F;2013&#x2F;10&#x2F;19&#x2F;50&#x2F;</a><p>from<p><a href="https:&#x2F;&#x2F;www.quora.com&#x2F;Why-are-software-development-task-estimations-regularly-off-by-a-factor-of-2-3" rel="nofollow">https:&#x2F;&#x2F;www.quora.com&#x2F;Why-are-software-development-task-esti...</a>