Creating a large window to account for some uncertainty is fine. My main point is in working with some less experienced engineers they'll say "This will only ta

Creating a large window to account for some uncertainty is fine. My main point is in working with some less experienced engineers they'll say "This will only take 2 days" and it takes two weeks. This kills teams. I think less experienced people do this because they are excited / eager to please, but it only hurts in the long run.