Free · Plain English · Paired with calculators
Seller Guides
Plain-English guides to fees, pricing, and profit for Etsy sellers and KDP authors — each one paired with a free calculator.
How Much Does Etsy Charge?
A plain-English breakdown of Etsy's listing, transaction, and payment processing fees — and what they cost you per sale.
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Paired with the Etsy Fee Calculator
How To Calculate Etsy Profit
How to work out what you actually keep after Etsy fees, materials, and shipping — not just your revenue.
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How To Price Printables
What to charge for printables and digital downloads so fees don't eat your profit.
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Paired with the Printable Pricing Calculator
Are Etsy Ads Worth It?
How to tell whether your Etsy Ads are making money or quietly losing it.
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Paired with the Etsy Ads ROI Calculator
How KDP Royalties Work
How Amazon KDP royalties are calculated for paperbacks, hardcovers, and Kindle eBooks.
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How Many Books Must You Sell To Break Even?
How to figure out how many sales it takes to recover your cover, ads, and publishing costs.
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Paired with the KDP Break-Even Calculator
How Much Does eBay Charge?
A plain-English breakdown of eBay's final value, per-order, and listing fees — and what they actually cost you per sale.
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Paired with the eBay Fee Calculator
What Is a Good Profit Margin?
What counts as a healthy profit margin — and how it changes depending on what you sell and where.
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Paired with the Profit Margin Calculator
How Much Does Amazon FBA Cost?
Every Amazon FBA fee explained — referral, fulfillment, storage, and the easy-to-miss extras — with 2026 rates.
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Do Etsy Sellers Need to Collect Sales Tax?
The short answer is usually no — Etsy handles it. Here's what that means and what you still need to do.
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Paired with the Etsy Sales Tax Calculator
How Many Books Do You Need to Sell to Hit Your KDP Income Goal?
Work backward from a dollar goal to the number of books you actually need to sell — with realistic expectations.
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Paired with the KDP Profit Goal Calculator
Is Redbubble Still Profitable?
Redbubble's 2025 fee changes cut artist earnings sharply. Here's what you really make now — and who it still works for.
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Paired with the Redbubble Profit Calculator
How to Price Handmade Products
A simple formula for pricing handmade work that covers materials, labor, overhead, and profit.
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How to Calculate Your True Shopify Profit
What's left after product cost, fees, ads, and overhead — and how to work it out.
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Is Print-on-Demand Profitable?
Low-risk but thin-margin — here's how POD economics really work and whether it's worth it.
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Is a Craft Fair Worth It?
Booth fees, materials, travel, and your time — how to tell if a fair will actually pay off.
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How Many Sales to Hit Your Etsy Income Goal?
Work backward from a dollar goal to the sales and visits you actually need.
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Paired with the Etsy Income Goal Calculator
What Is a Good Etsy Conversion Rate?
What's a good conversion rate, how to calculate yours, and why it affects ranking.
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How to Calculate Your Printify & Printful Profit
Work out your real profit per item on Printify and Printful — after base cost, fees, and shipping.
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What Is a Break-Even Point (and How to Find Yours)?
Find the number of sales where you stop losing money and start making a profit.
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How Much Does TikTok Shop Take?
What TikTok Shop takes from each sale — commission, transaction fee, and the new-seller discount.
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Paired with the TikTok Shop Fee & Profit Calculator
Are eBay Promoted Listings Worth It?
How eBay's ad fee works, the 2026 change, and how to tell if promoting pays off.
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How to Calculate Your eBay Profit
Work out your real eBay profit after fees, product cost, and shipping — with margin and ROI.
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Paired with the eBay Profit Calculator
Seller & Creator Glossary
New to selling online? Look up common terms like net profit, conversion rate, and base cost — each explained in plain English and linked to a calculator or guide.
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