How often do you think a quick trip to the grocery store will take only a few minutes and then it winds up taking an hour? And remember when cleaning out the attic took you all day instead of just the couple of hours you thought it would? Or sometimes it’s the opposite, like that time you planned on spending four hours raking the yard only to have it take just thirty-five minutes. We humans are just plain bad at estimating. Even with these simple tasks, our estimates are often off by a factor of two or more. If we can’t be accurate when estimating a few hours, how can we expect to accurately
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