Profitability 
Pricing 
Revenue 
Employment EconKit Blog
Long-form guides on the math behind every calculator.
Plain-English explanations of pricing, profit margins, freelance economics, and SaaS unit economics — each post tied to a tested calculator so you can run the numbers on your own inputs.
Growth Metrics Burn Rate vs Runway: How to Read the Room
Runway is the wrong number to optimize. Default Alive, burn multiple, and the three levers that move runway more than cutting costs.
Growth Metrics CAC vs LTV: The Only SaaS Ratio That Matters (and the Four Ways It Lies)
The 3:1 ratio everyone quotes, the four structural traps that catch teams who have already cleared the basics, and the payback-period sanity check you should run alongside it.
E-commerce Shopify Profit Margins in 2026: Four Costs Beyond the Dashboard Number
The four costs that live outside Shopify's headline number — variable COGS, payment processing, shipping loss, and ad spend — and how each one compounds into your real 2026 margin.
Growth Metrics What Is a Healthy SaaS Profit Margin in 2026?
The three margins SaaS founders should track, the Rule of 40 sanity check, and what "healthy" actually looks like at seed, Series A, and scale.
Freelancing Freelance vs Full-Time: When the Math Actually Works
Most freelance-vs-employee comparisons compare the wrong numbers. The honest math, the hidden costs on both sides, and the hourly rate you need to actually break even with an $85K salary.
Freelancing How to Set Your Freelance Rate in 2026: A Data-Backed Guide
The math, the benchmarks, and the four traps that quietly destroy freelance margins. With country-specific tax tables and a worked example anchored to real 2025 freelancer data.
Freelancing How to Raise Your Freelance Rate Without Losing Clients
The retention math most freelancers never compute. Why a 25% rate hike still leaves you ahead even if 1 in 5 clients walks, plus a 60-day notice template and the five client tiers.
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