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Welcome to The Founders Well, founder

Your state is set to Hawaii. All guides, calculators, and deadlines are tailored to your state.

View my state guide →
$8,200
avg. first-year savings
by members like you
Apr 15
Next major deadline
Federal + state return
8
State deep dives
More added monthly
50
States with formation guides
All 50 covered
Quick access
Federal filing calendar 2025
Jan
15
Q4 estimated tax payment
Covers Sep 1 – Dec 31
EFTPS
Jan
31
W-2s & 1099-NECs due
Must be sent to recipients
Employer
Mar
15
S-Corp & partnership returns
Form 1120-S / 1065
Entity
Apr
15
Federal 1040 + Q1 payment
Biggest filing day of the year
Critical
Jun
16
Q2 estimated tax payment
Covers Apr 1 – May 31
EFTPS
Sep
15
Q3 estimated tax payment
Covers Jun 1 – Aug 31
EFTPS
Oct
15
Extended federal returns due
Final deadline if you filed extension
Extended
Visit your state guide for state-specific dates and forms.
What members are saving
Missed write-offs found$4,200 avg
S-Corp election savings$6,200 avg
SEP-IRA tax savings$3,800 avg
State tax deductibility$1,800 avg

Quarterly tax estimator

Enter your income and see exactly what you owe each quarter — federal and state broken out

$80,000
—
—
$12,458
federal income + SE tax
$5,200
state income tax
$17,658
total annual tax
$4,414
quarterly payment
$1,471
save per month
22.1%
effective rate
Set aside your monthly savings amount in a dedicated tax account every time you get paid. When quarterly payments are due you'll always have it ready.
Federal quarterly payment schedule
Apr 15
Q1 payment — Jan 1 – Mar 31Estimated: $4,414
EFTPS
Jun 16
Q2 payment — Apr 1 – May 31Estimated: $4,414
EFTPS
Sep 15
Q3 payment — Jun 1 – Aug 31Estimated: $4,414
EFTPS
Jan 15
Q4 payment — Sep 1 – Dec 31Estimated: $4,414
EFTPS
Pay federal estimated taxes at eftps.gov — free, instant, keeps a record.
🧾

Business write-offs guide

12 deduction categories explained — home office, mileage, health insurance, SEP-IRA, meals, marketing, and more. Includes a savings calculator and documentation guide.

View full write-offs guide →
🏗️

Business formation guide

Entity comparison, step-by-step registration, EIN guide, DBA, Operating Agreements, and state-by-state formation details for all 8 states.

View full formation guide →
🛡️

Insurance guide by industry

General liability, workers comp, professional liability, BOP, Hawaii TDI, and cyber — every type explained with costs, requirements, and where to get it.

View full insurance guide →
📋

Commercial lease decoder

NNN, CAM charges, TI allowance, personal guarantees, rent escalation, gross leases — every term explained with real examples, red flags, and negotiation tips.

View full lease decoder →
✅

Quick start checklist

Everything you need to do in your first 90 days — legal structure, tax registration, banking, bookkeeping, insurance, and retirement. Interactive with progress tracking.

View full checklist →