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FILE № 009OF 011DEPT: self-employed

The quarterly bill you didn’t see coming.

The receipt · case 09Every file in the fix →
Evidence
a paraphrase · no quote on file
Fix
$45 · once
Inside
6 files, README
The pattern

I never know what I owe or when it’s due until it’s already a penalty.

Not a quote. A pattern these owners describe constantly, written in my words.
Why it happens

Estimated taxes don’t send you a bill, so the deadline arrives as a surprise, and the safe-harbor math never gets done on your actual numbers.

The fixQuarterly Tax Estimator Kit

Runs the IRS safe-harbor formula on your numbers and hands you the four deadlines as a calendar.