Mega Backdoor Roth 2026: How to Contribute Up to $47,500 Extra to Roth (Step-by-Step Guide)
The mega backdoor Roth lets high earners contribute up to $47,500 extra to Roth in 2026 — far beyond the standard $7,500 Roth IRA limit. Step-by-step guide, plan requirements, pro-rata pitfalls, and FIRE strategy.