The most obvious reason investors should buy high-yield dividend stocks is that they provide income. Nondividend stocks do not provide income and only provide cash when sold. Dividend stocks on the other hand, provide income on a quarterly basis and sometimes monthly. They also buffer against losses and more. That doesn't mean any investor seeking income should run out and buy any old dividend stock. There are plenty of factors to consider, one of the most important of which is yield. Yield is calculated by ...