Getting the most out of Social Security is an essential part of planning for your retirement finances. But deciding how to coordinate benefits among married couples can get extremely complicated. With decisions affecting not just you but your entire family, you can't afford to make mistakes.

In the following video, Fool contributor and retirement expert Dan Caplinger goes through a key Social Security strategy for married couples to consider. By following this strategy, couples can open the door to receiving some benefits now while boosting their monthly payments later. Dan goes through the strategy and gives some pointers on which retirees can get the most benefit from using it.