However, the amount you need to pay in can be whichever is less: 90% of your 2020 tax, or 100% of your 2019 tax.
No one here is your attorney or your professional tax advisor, and no attorney-client or other protected relationship will be formed between redditors without a signed engagement letter.
If your post doesn't show after 6 hours, message the mods.
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Not sure how OnlyFans does it, but have them deposit your earnings to that account.
Jokes should be kept to a minimum, as they don't add to the discussion, but humor can have its place.