Author: Erin Onsager
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6 Profit Leaks Quietly Draining Small Businesses (And How to Fix Them)
6 profit leaks quietly draining small businesses every month — from underpriced services to silent COGS creep. Spot them now and reclaim thousands a year.
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How to Run the Numbers on a Rental Property: 5 Mistakes to Avoid
Learn how to run the numbers on a rental property the right way. Avoid the 5 mistakes that sink deals — and the formulas every investor should master in 2026.
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6 Bookkeeping Mistakes That Cost Small Businesses Thousands at Tax Time (And How to Fix Them)
Most small business owners don’t lose money to bookkeeping mistakes — they bleed it. A missed deduction here, a misclassified expense there, and by the time April rolls around, the IRS is happily collecting thousands of dollars that should have stayed in your pocket. The good news: every one of the bookkeeping mistakes below is…
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How to Analyze a Rental Property: The Complete 2026 Guide
Learn how to analyze a rental property step by step. The complete 2026 guide to NOI, cap rate, cash-on-cash return, and the 7-step framework smart investors use to vet every deal.
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7 Signs Your Small Business Needs a Fractional CFO (And What to Expect When You Hire One)
Wondering if your business needs a fractional CFO? Here are 7 clear signs it’s time to hire one, what a fractional CFO actually does week-to-week, and what to expect when you make the leap.
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Cap Rate Explained: How to Calculate and Use This Critical Real Estate Metric in 2026
Learn what cap rate means, how to calculate it, what counts as a ‘good’ cap rate in 2026, and when this metric helps (or misleads) real estate investors. A beginner-friendly guide from Simply Spreadsheets.
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How to Price Your Services: A Small Business Owner’s Guide to Profitable Pricing
Pricing your services is one of the most important — and most stressful — decisions you’ll make as a small business owner. Price too high and you scare off potential clients. Price too low and you’re working yourself to the bone for pennies. The sweet spot? A pricing strategy that covers your costs, reflects your…
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The Top 5 KPIs Every Real Estate Investor Should Track (And How to Automate Them)
Whether you own one rental property or twenty, the difference between a profitable portfolio and a money pit often comes down to one thing: knowing your numbers. Yet most real estate investors either track the wrong metrics or don’t track them consistently at all. In this guide, we’ll break down the five most important key…
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Cash-on-Cash Return: The #1 Metric Real Estate Investors Use to Evaluate Deals
Learn how to calculate cash-on-cash return, what counts as a good return, and the most common mistakes real estate investors make when running the numbers on rental properties.
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Building Your First Rental Property Budget: A Step-by-Step Spreadsheet Guide
Learn how to build a comprehensive rental property budget spreadsheet that tracks income, expenses, reserves, and cash flow. Avoid common mistakes that cost new real estate investors thousands of dollars.
Simply Spreadsheets 