Often, though, two or more possible decisions may suggest themselves. Here you pick the course of action that will bring you to your goal with the greatest economy of effort and cost. If the situation allows, it's wise to arrive at a primary decision, with an alternate firmly in mind. You then have a viable plan if something should happen to make your primary plan unfeasible. With a primary plan and two other possibilities, they greatly reduce the chance of unforeseen changes wrecking their planning.
Review plans periodically.
Conditions are changing constantly, and you cannot hope to cover each change in all of your plans. However, you can adjust to changes. Schedule regular reviews of your plan so that you may revise it to meet new conditions. Certainly, no plan is foolproof. Pretest Your Orders Managers who decide they want an employee to do something and rush off to tell him may have cause to regret their haste later.