If you're looking for some extra income for your portfolio, you might want to consider buying shares of leading brands in their respective markets that have a record of growing their dividend payments. Companies that consistently grow their dividend usually possess profitable business models and a competitive advantage -- a key factor in determining a company's long-term success.

The average dividend yield on the S 500 index is currently 1.6%, but you can do much better than that. Let's see why (NASDAQ: SBUX), Williams-Sonoma (NYSE: WSM), and Costco Wholesale (NASDAQ: COST) made the cut of three Motley Fool contributors' dividend stock buy lists.

Jennifer Saibil (Starbucks): With inflation woes impacting essentially every industry globally, it's much more common these days to see business slowdowns than high achievements. Coffee giant Starbucks, though, posted excellent performance despite the economic climate.

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Source Fool.com