Estimated Quarterly Payments: The Complete Guide

Includes Interactive Guide and PDF version.

*Bonus Estimated Quarterly taxes Calculator

• Introduction — The biggest mistake and who this is for
• Chapter 1 — What estimated taxes are and the pay-as-you-go system
• Chapter 2 — Who is required to pay + the W-2 side hustle special case
• Chapter 3 — 2026 due dates + the Tax Pay Day never-miss system
• Chapter 4 — Federal vs. state deep dive with the Florida trap callout
• Chapter 5 — Safe Harbor and 90% Rule with step-by-step calculations
• Chapter 6 — EFTPS, IRS Direct Pay, and IRS2Go with full instructions
• Chapter 7 — Tasha's complete walkthrough — federal + state totaling $5,162/quarter
• Chapter 8 — The $500/year revenue model with income math table
• Chapter 9 — 5 costly mistakes with each fix
• Chapter 10 — 90-day action plan with 12 numbered steps
• Bonus — Three ready-to-use checklists
• Back cover — Services CTA and contact info