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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
Updated
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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CurrentRules, thresholds and forms checked against the current year
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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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How Unemployment Benefits Are Calculated by State
Payroll

How Unemployment Benefits Are Calculated by State

How the weekly amount is worked out, and why states differ.

7 minRead article
How to Acquire an Existing Accounting Practice
CFO

How to Acquire an Existing Accounting Practice

Why Buy an Accounting Practice, How Accounting Practices Are Valued, and What to Evaluate in Due Diligence.

6 minRead article
How to Amend a Tax Return: Form 1040-X Step-by-Step Guide
Tax

How to Amend a Tax Return: Form 1040-X Step-by-Step Guide

When Should You Amend Your Tax Return, When NOT to Amend, and Understanding Form 1040-X: The 3-Column Structure.

4 minRead article
How to Become a Qualified Bookkeeper in 2026
Bookkeeping

How to Become a Qualified Bookkeeper in 2026

The qualifications, the software, the career path and the ethics that separate a qualified bookkeeper from a data entry clerk.

6 minRead article
How to Calculate Burn Rate: A Guide for Startups and Small Businesses
CFO

How to Calculate Burn Rate: A Guide for Startups and Small Businesses

Gross and net burn, runway, and where the cost hides.

7 minRead article
How to Calculate SAM (Serviceable Addressable Market) for Investors
Accounting

How to Calculate SAM (Serviceable Addressable Market) for Investors

The TAM / SAM / SOM Framework, Two Methods to Calculate SAM, and Why Investors Care About SAM, Not Just TAM.

4 minRead article
How to Calculate SOM (Serviceable Obtainable Market): A Founder's Guide
Accounting

How to Calculate SOM (Serviceable Obtainable Market): A Founder's Guide

SOM Definition, How to Calculate SOM: Two Approaches, and Triangulation: Use Both Approaches.

5 minRead article
How to Calculate TAM, SAM, and SOM: A Guide for Startups and Small Businesses
CFO

How to Calculate TAM, SAM, and SOM: A Guide for Startups and Small Businesses

Two approaches, a worked example, and what gets challenged.

5 minRead article
How to Check Your IRS Refund Check Status: Paper vs Direct Deposit
Tax

How to Check Your IRS Refund Check Status: Paper vs Direct Deposit

Paper Check vs. Direct Deposit: Know the Difference, Tracking a Direct Deposit Refund, and Tracking a Paper Check.

4 minRead article
How to Check Your IRS Tax Refund Status in 2026
Tax

How to Check Your IRS Tax Refund Status in 2026

The Fastest Way: IRS Where's My Refund Tool, When Can You First Check, and The Three Status Stages.

5 minRead article
How to Choose the Best Certified Bookkeeper
Bookkeeping

How to Choose the Best Certified Bookkeeper

What certification proves, what it costs per hour, and how a certified bookkeeper differs from the CPA you may also need.

5 minRead article
How to Choose the Best Remote Bookkeeper
Bookkeeping

How to Choose the Best Remote Bookkeeper

How remote bookkeeping actually runs month to month, what it costs, and what to check before you hand over the books.

5 minRead article
How to Choose the Right Bookkeeping Solution for Your Business
Bookkeeping

How to Choose the Right Bookkeeping Solution for Your Business

The Bookkeeping Options, Decision Matrix: Which Is Right for You, and Cost Comparison.

4 minRead article
How to Complete IRS Form 56: Notice Concerning Fiduciary Relationship
Tax

How to Complete IRS Form 56: Notice Concerning Fiduciary Relationship

Why it protects you, and why the termination notice matters.

6 minRead article
How to File Form 1040-X: Amending Your Federal Tax Return
Tax

How to File Form 1040-X: Amending Your Federal Tax Return

When Should You Amend, Deadline to File Form 1040-X, and How to Complete Form 1040-X.

5 minRead article
How to File Form 1041: Estate and Trust Income Tax Return
Tax

How to File Form 1041: Estate and Trust Income Tax Return

Who Must File Form 1041, Tax Year Options, and Types of Income Reported on Form 1041.

5 minRead article
How to File Form 1099-NEC: Step-by-Step Guide for Businesses
Tax

How to File Form 1099-NEC: Step-by-Step Guide for Businesses

Who Needs to File Form 1099-NEC, Payment Threshold, and Step 1: Collect Form W-9 Before Making Payments.

5 minRead article
How to File Form 1099-Q: Payments from 529 Plans and Coverdell ESAs
Tax

How to File Form 1099-Q: Payments from 529 Plans and Coverdell ESAs

Who Issues Form 1099-Q, Understanding the Boxes on Form 1099-Q, and When Distributions Are Tax-Free.

5 minRead article
How to File Form 1120: Step-by-Step C-Corporation Tax Return Guide
Tax

How to File Form 1120: Step-by-Step C-Corporation Tax Return Guide

Who Must File Form 1120, Filing Deadlines, and Estimated Tax Payments, Form 1120-W.

5 minRead article
How to File Form 8027: Employer's Annual Information Return of Tip Income
Tax

How to File Form 8027: Employer's Annual Information Return of Tip Income

The records behind it, and what allocation means for staff.

8 minRead article
How to File Form 8082: Notice of Inconsistent Treatment or Administrative Adjustment Request
Tax

How to File Form 8082: Notice of Inconsistent Treatment or Administrative Adjustment Request

Whether to file, what follows, and what supports the position.

8 minRead article
How to File Form 8606: Nondeductible IRA Contributions
Tax

How to File Form 8606: Nondeductible IRA Contributions

Why it matters in years with no tax, and the pro-rata trap.

7 minRead article
How to File Form 8801: Credit for Prior Year Minimum Tax
Tax

How to File Form 8801: Credit for Prior Year Minimum Tax

What Is Form 8801, Who Can Use Form 8801, and Why Form 8801 Matters More After TCJA 2017.

4 minRead article
How to File Form 8804: Partnership Withholding Tax (Section 1446)
Tax

How to File Form 8804: Partnership Withholding Tax (Section 1446)

How the return, the statements and the payments fit together.

6 minRead article

Would You Rather We Just Did It?

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