A quick Google search of the phrase ‘passive income’ returns a staggering 151m results. But there’s one definition that stands out. It comes from fabled investor Warren Buffett. He said: “If you don’t find a way to make money while you sleep, you will work until you die.” It’s a quote that’s stuck with me. Making passive income has become incredibly important over the last few years with racing inflation eating away at pockets. As such, I can see why investors are keen to start making some extra cash alongside their main source of income. If I were starting today, here’s how I’d go about it. There are plenty of ways to make additional income. But arguably the simplest is buying shares that pay a high dividend yield. I could start a side hustle or try and enter the property game. But I’m targeting companies that share profits with shareholders via dividend payments. What constitutes a high yield is subjective. For me, I tend to largely target companies that pay a yield over 5%. For context, the FTSE 100 average is 3.9%. Investors also need to do their due diligence. While some yields may look attractive, they may not be...