If you go back and skim the 200-plus episodes we've recorded of Keen on Retirement, you'll notice that every year or so, we devote an episode to the latest financial frauds and scams that are making the rounds. Especially as we head into tax season, it's important that folks remember the IRS, the Centers for Medicare and Medicaid Services, and the Social Security Administration are never, ever going to call you and ask for your banking info. We also regularly caution folks against clicking on suspicious emails or text message links, or making investments that seem too good to be true with the Bernie Madoffs of the world.

On today's show, we talk about another type of financial "fraud" that's perfectly legal but potentially just as dangerous to your financial security: taking bad advice from unaccredited financial commentators and celebrities trying to further their own best interests, not yours.