Why Plan?

Professor Yael Grushka-Cockayne explains the importance of having a plan. A plan includes the following components:

Identify the scope
Identify tasks, dependencies, and schedule
Plan resources
Clarify trade-offs and decision making principles
Develop a risk management plan

In your experiences with planning projects, did you work through each of these components listed above?

Professor Yael Grushka-Cockayne also emphasizes the importance of revising a plan continuously and anticipating the need to be flexible. You might even have to go back and amend your plan.

Have you had some experiences in having to amend your plan/s?
What were some of the challenges in doing so?
What were some of the benefits?
What might you do differently in the future?