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If yes, how do I do that? Does this affect my taxable income since I'm contributing after-tax dollars?
Then....also, year-end distributions (mostly mutual funds) can sometimes unexpectedly send your AGI over the limits that allow to do a full ROTH IRA contribution (happened to my brother one year)....and entering your ROTH contribution into the tax software, can help/notify you that you exceeded your contribution limit for 2023, and prompt you to remove some of those contribution $$.
Check to see if you are anywhere near those limits:
Amount of Roth IRA Contributions That You Can Make For 2023 | Internal Revenue Service (irs.gov)
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