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The Profitjets Blog

Finance Writing for People Running the Business

Practical articles on bookkeeping, accounting, tax, payroll and financial strategy, written for founders and operators rather than for other accountants.

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Working accountants, not a content desk
Focus
US small business and startup finance
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New articles every month
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Plain EnglishNo jargon unless the term is the thing you came to look up
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What is Bookkeeping: A Step-by-Step Guide
Featured

What is Bookkeeping: A Step-by-Step Guide

What bookkeeping covers, how it differs from accounting, and the five-step process behind a clean set of books.

Bookkeeping 12 min read
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Filing Business Taxes for an LLC for the First Time: A Comprehensive Guide
Tax

Filing Business Taxes for an LLC for the First Time: A Comprehensive Guide

Closing the books first, then the classification, then the deadlines.

5 minRead article
Finance vs Accounting: Key Differences Explained
Accounting

Finance vs Accounting: Key Differences Explained

Where the two functions differ in focus, timeframe and what they are asked to deliver.

4 minRead article
Form 1065 Schedule B: Other Information for Partnerships
Tax

Form 1065 Schedule B: Other Information for Partnerships

Overview of Schedule B Questions, Line-by-Line Key Questions, and Common Errors on Schedule B.

4 minRead article
Form 1065 Schedule L: Balance Sheet per Books for Partnerships
Tax

Form 1065 Schedule L: Balance Sheet per Books for Partnerships

Who Must Complete Schedule L, Structure of Schedule L, and Tax Basis Capital vs Book Capital.

5 minRead article
Form 1065 Schedule M-3: Net Income (Loss) Reconciliation for Large Partnerships
Tax

Form 1065 Schedule M-3: Net Income (Loss) Reconciliation for Large Partnerships

Who Must File Schedule M-3, Three Parts of Schedule M-3, and Penalties for Non-Filing.

4 minRead article
Form 1099-R: Reporting Retirement Plan Distributions and Passive Income
Tax

Form 1099-R: Reporting Retirement Plan Distributions and Passive Income

Who Issues Form 1099-R, Key Boxes on Form 1099-R, and Distribution Codes (Box 7), The Most Important Box.

5 minRead article
Form 1099: All You Need to Know About Filing
Tax

Form 1099: All You Need to Know About Filing

The variants, who gets one, and what to collect before you pay.

6 minRead article
Form 1099: Filing Mistakes and How to Correct Them
Tax

Form 1099: Filing Mistakes and How to Correct Them

The two error types, how to correct each, and how to avoid both.

7 minRead article
Form 1120 Download and Filing Guide: Where to Get the C-Corporation Return
Tax

Form 1120 Download and Filing Guide: Where to Get the C-Corporation Return

Where to Download Form 1120, Key Sections of the Blank Form, and Required Attachments.

5 minRead article
Form 1120 Due Dates, Extensions, and Penalties: Complete 2026 Guide
Tax

Form 1120 Due Dates, Extensions, and Penalties: Complete 2026 Guide

Filing Deadlines, Automatic 6-Month Extension (Form 7004), and Estimated Tax Payments (Form 1120-W).

5 minRead article
Form 1120 Schedule C: Dividends, Inclusions, and the Dividends-Received Deduction
Tax

Form 1120 Schedule C: Dividends, Inclusions, and the Dividends-Received Deduction

What Is Schedule C on Form 1120, What Is the Dividends-Received Deduction (DRD), and The Taxable Income Limitation.

4 minRead article
Form 1120 vs Form 1120-S: C-Corp vs S-Corp Tax Filing Comparison
Tax

Form 1120 vs Form 1120-S: C-Corp vs S-Corp Tax Filing Comparison

Side-by-Side Comparison, When C-Corp Makes More Sense, and When S-Corp Makes More Sense.

5 minRead article
Form 1120-F Filing Requirements: When Foreign Corporations Must File
Tax

Form 1120-F Filing Requirements: When Foreign Corporations Must File

Who Must File Form 1120-F, ECI vs. FDAP Income, The Core Distinction, and Treaty Elections and Benefits.

5 minRead article
Form 1120-S: S-Corporation Tax Return, Complete Filing Guide
Tax

Form 1120-S: S-Corporation Tax Return, Complete Filing Guide

S-Corporation Eligibility Requirements, Filing Deadline, and Schedule K: Income, Deductions, Credits Allocated to.

5 minRead article
Form 1120: The Complete C-Corporation Tax Guide
Tax

Form 1120: The Complete C-Corporation Tax Guide

Double Taxation, The C-Corp Trade-Off, The 21% Corporate Tax Rate, and Dividends Received Deduction (DRD).

5 minRead article
Form 5329: How to Avoid Retirement Account Tax Penalties
Tax

Form 5329: How to Avoid Retirement Account Tax Penalties

When Do You Need Form 5329, The 10% Early Distribution Penalty, and Key Exceptions to the 10% Penalty.

5 minRead article
Form 8615: Tax for Children's Unearned Income (Kiddie Tax)
Tax

Form 8615: Tax for Children's Unearned Income (Kiddie Tax)

When it applies, where the income comes from, and the election's cost.

9 minRead article
Form 8962: Premium Tax Credit, Step-by-Step Instructions
Tax

Form 8962: Premium Tax Credit, Step-by-Step Instructions

Who Must File Form 8962, Income Eligibility: The Federal Poverty Level Test, and Step-by-Step: Completing Form 8962.

5 minRead article
Form 941 Schedule B: Daily Tax Liability for Semi-Weekly Depositors
Tax

Form 941 Schedule B: Daily Tax Liability for Semi-Weekly Depositors

Who Must Attach Schedule B, Semi-Weekly Deposit Schedule, and How Schedule B Works.

5 minRead article
Form 941: The Employer's Quarterly Federal Tax Return, Complete 2026 Guide
Tax

Form 941: The Employer's Quarterly Federal Tax Return, Complete 2026 Guide

What Is Form 941, Who Must File Form 941, and Form 941 Filing Deadlines (2026).

7 minRead article
Form W-9 2026: How to Fill It Out Correctly
Tax

Form W-9 2026: How to Fill It Out Correctly

What Is Form W-9, Who Provides a W-9, and Line-by-Line Completion Guide.

5 minRead article
Fractional CFO Services: What They Do, What They Cost, and Who Needs Them
CFO

Fractional CFO Services: What They Do, What They Cost, and Who Needs Them

What a Fractional CFO Does, Engagement Models, and What Fractional CFO Services Cost.

5 minRead article
Fractional CFO: Everything You Need To Know
CFO

Fractional CFO: Everything You Need To Know

What a fractional CFO does, what it costs, and the point at which it pays for itself.

5 minRead article
Franchise Tax Requirements: Essential Guide for Small Businesses
Tax

Franchise Tax Requirements: Essential Guide for Small Businesses

Which states charge it, how it is calculated, and when it is due.

7 minRead article

Would You Rather We Just Did It?

Reading about reconciliation is useful. Not having to do it is better.