Everyone has that one relative with strong financial opinions. Maybe it’s an aunt who insists credit cards are evil—or an uncle who swears the safest place for money is under the mattress. His reasoning might be simple: banks fail, systems crash, and cash you can physically see always feels secure. But before you start turning your bed into a savings account, it’s worth asking whether that strategy actually holds up.

While most investors are focused on maximizing their returns, they may overlook the hidden risks that can lead to unexpected losses.

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