There's nothing like a good life hack to make your life easier and better. For example, if you're working on learning a language, try watching children's shows in that language, as they'll focus on words and simple conversation. If you manage people, aim to give praise in public and criticism in private. If you have a pet, give them a treat whenever an alarm goes off. That way, they'll learn to come running whenever there's a possible emergency.

There are financial life hacks, too. Here's a closer look at a retirement savings hack that could turn you into a millionaire -- or multimillionaire!

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Source Fool.com