If You Do Not Control the Project
If you do not control the project, the scope of the project will increase. This almost always adds cost to the budget and time to the schedule. In addition, you will not know whether your project is on schedule.
It is generally more difficult to meet a schedule than to move a schedule. As a result, if you do not know that you are on schedule and are not focused on staying on schedule, chances are you will not be on schedule.
Poor control often also results in: