These are good basics, but will still underestimate large projects. For a padding rule, use: estimate^2 Because T tasks times N estimation errors/delays is an

These are good basics, but will still underestimate large projects. For a padding rule, use: estimate^2 Because T tasks times N estimation errors/delays is an exponential growth in project time complexity. For statistics and data, see here: https://erikbern.com/2019/04/15/why-software-projects-take-longer-than-you-think-a-statistical-model.html https://erikbern.com/2019/04/15/why-software-projects-take-l...