choness/iStock via Getty ImagesIntroduction When I started to get more serious about dividend investing in 2019/2020 (that's when I went all-in), I made one mistake. That mistake was underestimating the Southern Company (NYSE:SO). Although I never disliked the company, I did not buy it for my personal account, as I wanted exposure to faster-growing areas like renewables. Thankfully, I turned much more bullish on Southern Company in recent years, as it is far from a boring utility. Sure, utilities, in ge ...