401(k)s top out at $24,500, but you can boost your tax-deferred investments to as much as $80,000 by switching to an IRS-approved Mega Backdoor Roth account.

Dan LaRosa is Director of Corporate Retirement Plans at Ritholtz Wealth Management, overseeing more than $400 million in various plans. He is a Qualified Plan Financial Consultant (QPFC) and Accredited Investment Fiduciary (AIF) and partner at the firm.

Each week, “At the Money” discusses an important topic in money management. From portfolio construction to taxes and cutting down on fees, join Barry Ritholtz to learn the best ways to put your money to work.