Core Insights - The article discusses the importance of making informed decisions regarding 401(k) accounts when changing jobs, as each option impacts taxes, fees, and long-term savings [2] Group 1: Options for Managing 401(k) Accounts - Option 1: Rolling over a 401(k) into an IRA allows for tax-deferred growth and a broader selection of investment options, but annual contribution limits are significantly lower compared to 401(k) plans [3] - High-income earners can use a traditional IRA rollover to facilitate a backdoor Roth IRA conversion, enabling tax-free growth and withdrawals, but must manage existing pretax IRA balances to avoid tax implications [4] - Keeping the 401(k) with a former employer allows for continued tax-deferred growth but prohibits new contributions, while rolling over to an IRA offers more investment choices and lower fees [5]