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Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.

What to Include on an Invoice: 2026 Checklist and Common Mistakes
Seller Guides Oct 11, 2026

What to Include on an Invoice: 2026 Checklist and Common Mistakes

The full invoice checklist as a table, the extra fields VAT and sales tax can require, how to word late fees, and the mistakes that most often get invoices paid late.

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What Is a Packing Slip? Packing Slip vs Invoice, What to Include and How to Print (2026)
Seller Guides Oct 11, 2026

What Is a Packing Slip? Packing Slip vs Invoice, What to Include and How to Print (2026)

What a packing slip is for, how it differs from an invoice and a shipping label, what to put on it, and where Etsy, Shopify and Amazon let you print one.

What Is a Good ROAS? (2026) Break-Even and Target ROAS by Margin
Seller Guides Oct 11, 2026

What Is a Good ROAS? (2026) Break-Even and Target ROAS by Margin

A good ROAS depends on your margin. A table of break-even and target ROAS by margin, two worked shop examples, and why a lower ROAS can still earn more profit.

Product Photo Editing Workflow (2026): 8 Steps in the Right Order
Seller Guides Oct 11, 2026

Product Photo Editing Workflow (2026): 8 Steps in the Right Order

The eight steps of editing product photos in the order that avoids repeat work, with target sizes per channel, free tools for each step and how to batch a whole shoot.

How to Make Product Photos Look Professional (2026): 15 Fixes Ranked by Impact
Seller Guides Oct 11, 2026

How to Make Product Photos Look Professional (2026): 15 Fixes Ranked by Impact

Fifteen concrete fixes ranked by how much they help, from light and background to framing, consistency, edges and export, with a checklist and the cheap gear that's worth buying.

How to Increase Average Order Value (2026): 7 Tactics With Profit Math
Seller Guides Oct 11, 2026

How to Increase Average Order Value (2026): 7 Tactics With Profit Math

The AOV formula and seven ways to raise it, with worked profit math for bundles and free-shipping thresholds, upsells vs cross-sells, and how to make bundle images.

How to Write a Shipping Policy (2026): What to Include, Examples and Holiday Cutoffs
Seller Guides Oct 11, 2026

How to Write a Shipping Policy (2026): What to Include, Examples and Holiday Cutoffs

What a shipping policy should say, with sample wording: processing vs transit time, rates tables, international duties, lost and damaged packages, the FTC shipping rule and 2026 holiday cutoffs.

How to Write a Return Policy (2026): 7 Sections, Examples and Templates
Seller Guides Oct 11, 2026

How to Write a Return Policy (2026): 7 Sections, Examples and Templates

The seven sections every return policy needs, sample wording for handmade, personalized and digital items, buyer rights in the EU, UK and US, and how Etsy and Shopify return settings fit in.

How to Make an Invoice for a Small Business (2026): Fields, Terms and Examples
Seller Guides Oct 11, 2026

How to Make an Invoice for a Small Business (2026): Fields, Terms and Examples

A step-by-step guide to making a small business invoice: what to include, how to number invoices, which payment terms to use, how to show tax and discounts, and examples to copy.

How to Calculate ROAS (2026): Formula, Examples and ROAS vs ROI
Seller Guides Oct 11, 2026

How to Calculate ROAS (2026): Formula, Examples and ROAS vs ROI

The ROAS formula with worked examples for one campaign and several, how ROAS differs from ROI and ACoS, how to compare it with break-even ROAS, and why platform ROAS can mislead.

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