Calvin "Megatron" Johnson played for the Detroit Lions from 2007 to 2015, during which he earned an estimated $110 million.

We often hear stories about famous athletes who make substantial amounts of money but, a few years after their careers end, find themselves broke or on the verge of bankruptcy.

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Thankfully, Calvin Johnson did not lose all of his money; however, he shared his biggest financial blunder.

Calvin Johnson Shares His Biggest Financial Blunder

Recently, Calvin Johnson appeared on In Depth with Graham Bensinger, where he discussed his financial journey and the lessons he learned along the way.

Calvin Johnson's Best Financial Advice

Johnson stated that his best financial decision was entering the cannabis industry.

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He is a co-founder of Primitiv Group, a company focused on using cannabis for health and wellness.

Calvin Johnson's Worst Financial Advice

Regarding poor financial decisions, Johnson made a common mistake: loaning money to people with the expectation of getting it back. He offered this advice to anyone considering similar actions:

"If you're loaning money to a friend or anyone close to you, just know that you're not getting it back. I've loaned a lot of money to people, and what that does is sour relationships. Money you can always get back, but relationships are something that you've got to cherish. If you can, don't let money get involved because it can easily ruin a relationship."

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