As an addendum I'd answer each one of these by saying 1) Take your estimates and add 50% 2) Work 10 hours a day, 5 days a week max. If you have to work a Saturd

As an addendum I'd answer each one of these by saying 1) Take your estimates and add 50% 2) Work 10 hours a day, 5 days a week max. If you have to work a Saturday or Sunday, only put in 4 hours. 3) If you're running a place and making people go on death marches because you've decided next Monday is do-or-die just because you feel like it, re-evaluate your planning and your execution because either your deadline is wrong or your execution is wrong.