

There are some limits on what you can put in a Roth IRA in a year. I don’t think that you can contribute $50k in one year.
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https://www.schwab.com/ira/roth-ira/contribution-limits
The maximum total annual contribution for all your IRAs combined is:
Tax Year 2026 - $7,500 if you’re under age 50/$8,600 if you’re age 50 or older.
Tax Year 2025 - $7,000 if you’re under age 50/$8,000 if you’re age 50 or older.
For single filers, in 2026, your Modified Adjusted Gross Income (MAGI) must be under $153,000 to make a full Roth IRA contribution.
Hmm. I dunno if you can defeat that via the Roth backdoor loophole.
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Sounds like not. That apparently defeats the more-restrictive income-induced contribution limit, but not the absolute cap on contribution limit.
https://investor.vanguard.com/investor-resources-education/article/how-to-set-up-backdoor-ira
“Backdoor Roth IRA” is a term that describes a strategy used by high-income earners who can’t contribute to a Roth IRA because their income is above certain limits. Rather than contributing directly to a Roth, the backdoor strategy calls for contributing to a traditional IRA and then converting it to a Roth.
EDIT: That being said, would be possible to invest it and to annually max out the contribution. Have to pay capital gains taxes on the gains you make prior to getting it into the Roth account.
EDIT2: If you’re currently working somewhere with a 401(k) that you aren’t maxing out, I think that you can max that out. That apparently increases the annual absolute contribution limit.
https://www.fidelity.com/viewpoints/retirement/earn-too-much-contribute-Roth-IRA-conversion
High income taxpayers can still benefit from the tax advantages of a Roth account by converting traditional IRA or 401(k) dollars to Roth, or by contributing to a Roth 401(k) if available. Roth conversions have no income or contribution limits, but do require payment of applicable federal and state income taxes.
https://www.fidelity.com/learning-center/smart-money/401k-contribution-limits
For tax year 2026, the most you can contribute to a Roth 401(k), a traditional 401(k), or a combination of the two is $24,500.



















Also, it’s a post-tax $50k, whereas your earned income is a pre-tax $100k in that scenario.