Kathleen Elkins is an editorial intern at Business Insider, covering strategy and careers.
The self-made billionaire could retire at the drop of a dime -- but retirement is the last thing on the 66-year-old's mind.
You don't need to earn a massive paycheck to become a millionaire.
Inspired by the idea of retiring early, the husband-wife duo with two kids vowed to build a portfolio of $1 million and no debt by February 2017.
Starting a Business
From making paper deliveries to selling tuxedos, the first jobs these 11 successful people shared weren't always the most glamorous.
These short books are loaded with powerful information about selling, managing and investing.
It had nothing to do with good grades or eating all of your vegetables.