There is a

It is not humanly possible to practice all in a twenty-hour stretch.

The Pareto principle states that 20% of your activities (even lesser) deliver 80% results (even more) in almost every area of your life.

Remove any obstacles that may distract you from practicing your sub-skill. Television is the biggest culprit, followed by smartphones.

You don't need to become an expert before you start to learn any sub-set of the major skill. You just need to learn enough, so you can self-correct when you make mistakes.

• Break the skill into various small parts, remembering that every big skill is a collection of many sub-skills.
• Identify the essential sub-skills needed to give you the maximum advantage.
• Practice the most important part that you have discovered, using the...