How does a 5.7% dividend yield sound?Many people think of dividend-paying stocks as great for retirees, and that's certainly true. If you're retired with a stock portfolio worth a total of $500,000 and it has an overall dividend yield of, say, 4%, you'll be collecting around $20,000 in income annually -- without having to sell any shares! Better still, healthy and growing dividend payers tend to increase their payouts over time, so that income might even keep up with inflation.But dividend-paying stocks are ...