I'm a high earner who has always maxed out my 401k. I keep hearing about backdoor Roth IRA - what is it?

'Many high earners like Cheese may reach the limits of traditional 401(k) contributions but can benefit from strategies like after-tax contributions and Roth accounts to maximize retirement savings.'

'While maxing out a 401(k) is a solid strategy, it’s important to explore additional options like after-tax contributions that could significantly enhance your retirement funds through tax-free growth.'

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