Christy Bieber, The Motley Fool Published 9:30 a.m. ET May 8, 2019

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One thing about millennials is that we love having our own funds! Buzz60’s Natasha Abellard has the story. Buzz60

No one is perfect when it comes to how they handle their finances. Everyone splurges now and then, or forgets a bill is due and has to scramble to send in a payment at the last minute. But while perfection isn’t expected, there are some big mistakes many Americans make that could come at a tremendous cost to their long-term financial security. 

What are these major mistakes that could lead to financial calamity? Here are three – along with some