1. Covered call ETFs (SPYI, GPIQ, IYRI) provide high monthly yields and potential market-beating returns for income-focused investors; 2. SPYI offers a double-digit yield from the S&P 500 with NAV growth, GPIQ delivers nearly 10% yield from the Nasdaq-100 with low fees, and IYRI targets REITs with an 11.3% yield but higher sector risk; 3. These ETFs suit diversified income strategies but require caution due to NAV erosion risks and tax implications.