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Home & DIY Calculators

Plan picture spacing, wall layouts, fabric, fence posts and drainage gravel.

Snow Day Calculator

Check a weather-based snow day estimate from a ZIP or postal code.

Roblox Grow a Garden Calculator

Estimate crop value from weight, mutations, boosts and quantity.

Etsy Seller Tools

Plan seller fees, pricing, profit targets and advertising costs.

From the blog.

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Etsy selling fees breakdown showing a $0.20 listing fee, 6.5% transaction fee, and $46.55 remaining from a $50 sale before additional costs.

Business and Finance

How Much Does Etsy Take Per Sale? Fees Explained

Find out how much Etsy takes per sale, including listing fees, transaction fees, and payment processing. See a simple example of your earnings.

Oct 15, 2026

Ecommerce gross profit margin calculation showing online store sales, cost of goods sold, and profit percentage.

Business and Finance

How to Calculate Gross Profit Margin for an Online Store

Learn how to calculate gross profit margin for an online store with simple formulas and examples. Understand product costs, discounts, shipping, and pricing decisions.

Oct 13, 2026

Profit margin vs markup comparison showing a 40% gross margin and 66.67% markup on a product costing $60 and selling for $100.

Business and Finance

Profit Margin vs Markup: Formulas, Differences and Examples

Learn the difference between profit margin and markup with simple formulas, conversion charts, and real-world examples. Discover how to calculate selling prices, avoid pricing mistakes, and understand business profitability.

Oct 13, 2026