A free, plain-English checklist for US freelancers and 1099 contractors who pay quarterly estimated taxes.

What’s inside
• Every estimated tax due date for tax year 2026, including the January 15, 2027 payment
• The two safe-harbor rules that help you avoid an underpayment penalty
• How to pay the IRS online, step by step
• A year-end checklist: 1099s, receipts and records
• A 15-minute quarterly routine

Who it’s for
Sole proprietors and single-member LLCs filing Schedule C.

What it isn’t
General education about federal deadlines, not tax advice. It does not cover state taxes. Check with a tax professional for your situation.

Free, instant access.

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