Investing in ETFs can be a great way to boost your portfolio diversification.Investing in high-dividend yield exchange-traded funds (ETFs) can provide investors with a steady income stream and potentially lower portfolio volatility, which is particularly attractive for long-term investors or those nearing retirement. However, it is crucial to balance your desire for a high yield with a focus on quality underlying fundamentals to avoid value traps.Quality high-yield ETFs can provide regular passive income, w ...