The Economic Times

While selling fax machines, Sara Blakely cut up pantyhose to solve a clothing problem; Spanx later helped make her a self-made billionaire, Forbes reported in 2012

Sara Blakely faced a common wardrobe dilemma, but instead of settling for frustration, she transformed her pantyhose into a game-changing product. This moment of innovation sparked the launch of Spanx, where she secured a patent while juggling a full-time job. With unwavering determination, she pitched her idea to department store buyers, paving her way to becoming a self-made billionaire.