Guides & How-To Articles

Free Finance & Bookkeeping Guides

Plain-English articles covering payroll, taxes, bookkeeping, loans, and business finance — with links to the free tools for every topic.

Tax Guides

Self-employment tax, quarterly payments, payroll taxes, and 1099 vs W-2 — explained step by step with 2026 rates

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TAX GUIDE11 min read
Self-Employment Tax 2026: What It Is, How to Calculate It & Reduce It
The 15.3% SE tax explained, step-by-step calculation, the deductible half, 2026 quarterly due dates, and legal ways to reduce what you owe.
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TAX GUIDE10 min read
Quarterly Estimated Taxes 2026: The Self-Employed Person's Complete Guide
Who needs to pay, how to calculate, the 4 due dates, and how to avoid underpayment penalties — explained step by step.
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PAYROLL7 min read
1099 vs W-2: What It Really Costs to Hire an Employee vs Contractor
The true cost difference is often 25–35% more for W-2 employees. Here's exactly how to calculate it and make the right hiring decision.
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PAYROLL GUIDE12 min read
How to Calculate Payroll Taxes in 2026 — Complete Step-by-Step Guide
FIT withholding, FICA, FUTA, state taxes — every component explained with a full worked example and 2026 brackets.
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Business Finance

EBITDA, profit margins, markup vs margin — the metrics banks and investors use to evaluate your business

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BUSINESS FINANCE10 min read
What is EBITDA and How Do You Calculate It? (2026 Guide)
EBITDA explained simply with two calculation methods, industry benchmarks, business valuation multiples, and a real worked example.
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BUSINESS FINANCE8 min read
Profit Margin vs Markup: The Difference Explained with Real Examples
Most business owners confuse these two — and it costs them money. Formulas, a full conversion table, and when to use each metric.
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Bookkeeping & Accounting

Accounts receivable, late fees, bank reconciliation, and loan schedules — practical guides for daily bookkeeping

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BOOKKEEPING7 min read
Understanding Your AR Aging Report: What Each Bucket Means
How to read accounts receivable aging, what the 30/60/90 day buckets mean for cash flow, and when to send invoices to collections.
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BOOKKEEPING6 min read
How to Calculate Invoice Late Fees (And Actually Collect Them)
State-by-state rules for late payment interest, how to write your payment terms, and scripts for following up on overdue invoices.
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LOAN & MORTGAGE8 min read
How to Read a Loan Amortization Schedule — And Why It Matters
Learn how each payment splits between principal and interest, what odd-days interest means, and how extra payments can save thousands.
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QUICKBOOKS9 min read
QuickBooks Bank Reconciliation: Step-by-Step Guide for Small Business
How to reconcile your bank account in QuickBooks Online — common errors, what to do when it doesn't balance, and best practices.
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PDF Tools & Productivity

Everything you need to know about working with PDFs — free, without watermarks or subscriptions

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PDF TOOLS8 min read
Free PDF Tools That Actually Work in 2026 — No Watermarks, No Signup
Merge, convert, and edit PDFs free without watermarks, page limits, or uploading to a server. All processing stays in your browser.
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