[Clubber]

You can make any deadline if you pad enough.

[pbmonster]

Careful, available budget will always be spent, available time will always be filled.

[matwood]

Which, when you ask enough questions, is what most stakeholders want.

[creshal]

Unless the budget is limited, and estimates have to be "optimized" to meet political goals. At that point, disengage and waste as little time as possible on making up shit.