All aspiring billionaires should study the business case of Sara Blakely and her product, Spanx. She's one of the best examples of using necessity
Spanx Founder Sara Blakely Gives $10,000, First-Class Plane
Sara Blakely Sells Majority Of Spanx To Blackstone At $1.2 Billion
Here Are The Most Expensive Neiman Marcus Fantasy Gifts This Year
Why Oprah Invested in Spanx After Naming It One of Her Favorite Things
Spanx Reshapes Itself - Atlanta Jewish Times
Sara Blakely Net Worth
How Spanx Billionaire Sara Blakely Makes and Spends Her Fortune
Watch: Spanx Employees React to Gift of $10,000, Plane Tickets
From $5,000 to $1.2 billion: Spanx lands investment deal with
How Sara Blakely Turned $5000 Into A Billion Dollar Spanx Fortune
I Feel The Divine Feminine Rising' - Spanx Founder Sara Blakely On
Oprah Winfrey and Reese Witherspoon Invest in Spanx - The New York
From Beyoncé To Sara Blakely: Nine Pieces Of Advice From Today's Wealthiest Women