#ecommerce
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
How to Calculate Customer Lifetime Value (2026): CLV Formula and Examples
Three ways to calculate customer lifetime value for a small online shop, from a quick estimate to a cohort method, with worked examples and how to compare CLV with CAC.
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Square Online Image Size (2026): Product Photos, Files and Banners
Square's recommended 2000x2000 square item images, accepted formats and the 15 MB limit, how images sync with the POS, banner guidance and a consistent photo workflow.
Return Policy Examples (2026): 7 Samples for Small Online Shops
Seven sample return policies by business type, from no-returns custom work to free returns and the EU and UK 14-day right to cancel, with a comparison table.
Shipping Policy Examples (2026): 8 Samples by Business Type
Eight sample shipping policies by business type, from made-to-order Etsy shops to perishable food, with a table of what each must state and the US FTC shipping-time rule.
WooCommerce Product Image Size (2026): Settings, Thumbnails and Fixes
What size to upload, the three image sizes WooCommerce creates, where the Product Images settings live, which cropping option to pick and how to fix blurry thumbnails.
Squarespace Image Size Guide (2026): Products, Banners and Limits
Squarespace's official image numbers in one place: widths, file limits and formats, plus product image aspect ratios, banner cropping, logos and favicons.
How to Calculate CBM for Shipping: Formula, Examples and Container Sizes
How to calculate CBM from centimeters or inches, with worked examples, container capacities, the weight-or-measure rule for LCL and volumetric weight for air freight.
How to Calculate Reorder Point and Safety Stock (With Examples)
The reorder point formula with a worked example, simple and statistical safety stock, how to count lead time, how much to order, and planning ahead of a busy season.
How to Edit Supplier Product Photos for Your Store (and When You Can't)
Using manufacturer and dropshipping photos legally, the usual problems with them, a repeatable editing workflow, and when to order a sample and shoot your own.
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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