Kevin O’Leary Says Investing $100 a Week Will Make You a Millionaire by Retirement

The "Shark Tank" investor has popularized the idea that consistent, modest investing can build substantial wealth by retirement. The concept is grounded in compound growth, and O'Leary believes the market's returns over 30 to 40 years do the heavy lifting. But with inflation running hotter than expected in 2026 and the U.S. personal saving rate at just 3.0%, the real question is whether ordinary savers can actually stay the course long enough for the math to work. … Kevin O'Leary Says Investing