These two dividend powerhouses are ideal choices for passive-income investors.Dividend investing can create substantial passive income over time. A conservative example illustrates this potential: Investing $10,000 annually for 40 years in a stock yielding 3.1% with 2.5% annual dividend growth could generate $44,316 in yearly dividend income. This strategy would also build a portfolio worth over $1.4 million.Selecting the right dividend stocks is crucial. Investors should focus on companies with sustainable ...