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Guides

Free guides and tools for shops and sellers of used goods: condition grades, waitlists, margin VAT and the EU lowest-price rule.

Margin scheme VAT calculator

Calculate VAT on the margin of a used item: selling price less purchase price, VAT = margin x rate / (100 + rate). With the invoice wording and the global margin explained.

Lowest price before a discount

The EU rule that a discount must show the lowest price of the previous 30 days, what it covers, and how to show it in WooCommerce or Shopify.

Condition grades

A six-grade condition scale for used items, explained, and a free tool that writes the condition text for your listing: grade, details buyers ask about, what is included, faults.

Waitlist for sold items

Why "notify me when back in stock" never fires for used goods, and how a waitlist by model keeps the buyer who came a day late, on WooCommerce and Shopify.

Selling used cameras

How to sell a used camera body: what buyers ask first, how to grade one, what to photograph, how to price it, and how to sell cameras in a web shop.

Selling used lenses

How to sell a used camera lens: checking the optics for haze, fungus and scratches, grading it, what to photograph, and pricing it.

Selling used bikes

How to sell a used bicycle: the frame size and parts buyers ask about, how to grade one, what to photograph and how to price it.

Selling used watches

How to sell a used watch: reference, box and papers, service history, grading the case and dial, what to photograph and how to price it.

Selling used hi-fi

How to sell used hi-fi and audio gear: what to test, the details buyers ask about, how to grade it, what to photograph and how to price it.

Selling used instruments

How to sell a used musical instrument: origin, year, setup and modifications, grading, what to photograph and how to price it.