Twenty-one years ago, Libby Sosinski was on the brink of leaving real estate for good. Today, the Pittsburgh-based Keller Williams agent consistently closes more than 200 deals a year and recently posted $26 million-plus in 2024 in sales volume, earning a spot on RealTrends Verified’s rankings. But back in 2004 — just a few months into her career — she was ready to walk away. “I did not...