Investors are constantly bombarded with articles that tout must-own investments. Retirees even more so. So why is another article pushing some investments as must-owns for retirees? Retirees, like all investors, have goals and circumstances that make generally suitable investments more or less important for them. So how does a retiree sort through all of the good investments to find those that are best suited to their goals, circumstances, and risk tolerance? The first thing to know about The Income Method is that it doesn't depend on regular sales of shares to produce cash.