Group 1 - The article discusses the growing popularity of covered call ETFs, which many investors view as a new asset class that can provide high yields [1] - It highlights that closed-end funds, such as Eaton Vance Enhanced, can also be part of a diversified investment strategy [1] - The author emphasizes the importance of combining classic dividend growth stocks with Business Development Companies, REITs, and Closed End Funds to enhance investment income while achieving total returns comparable to traditional index funds [1]