The One Obsession of Every Self-Made Billionaire

The more you do this, the faster you become successful.
10 Attributes of Self-Made Billionaires

When these attributes are developed and not suppressed, they transform into compelling strengths and abilities.
The 10 Principles of Self-Made Billionaires

No. 1: Billionaires are billionaires because all their effort and energy is dedicated to pursuing a clearly defined purpose.