It's a very simple example to show that if you miss one step in a process in can cost you an enormous amount of time and money to fix. With a checklist, you can write it down and give it some someone else for them to do successfully. Checklists require discipline and organization, which is something internet marketers have to master.

...decide for yourself what makes you truly happy and then organize your life around it. Write down your goals and make plans to achieve them.

Goals are the fuel in the furnace of achievement. Think on paper and write them down!

Top people have very clear goals. They know who they are and they know what they want. They write it down and they make plans for its accomplishment.