It can be overwhelming if you have an endless list of tasks that need to be done, and most of us do. The list just gets longer and longer each day because you can't get today's list completed, and more tasks just keep coming at you. If you can reduce your list of to-dos down to the most critical tasks, you can keep your planning and time management system simple. A simple list of the 3-5 most important things is all that nearly anyone needs to be very effective and successful