Pekic / Getty Images These five money mistakes can catch you off guard—here's what to watch out for. Key Takeaways Among the most common financial mistakes, a scattered portfolio, old accounts, and overlooked documents can quietly drain wealth. Tax inefficiency and outdated beneficiaries often go unnoticed until it’s too late. If you want to prevent costly mistakes, make sure you have a clear financial plan that you regularly revisit and adjust as necessary. Many people assume their finances are ...