The Mega Backdoor Roth When Your After-Tax 401(k) Has Gains
Background
The mega backdoor Roth is one of the most powerful tax maneuvers available to someone whose 401(k) plan allows after-tax contributions and in-service withdrawals. The basic idea is straightforward: you contribute after-tax dollars to your 401(k), then move that money into a Roth IRA, where it grows tax-free forever. No income limits. No conversion drama.
…