List second-hand stock
as fast as you can photograph it.
Build a template once — the questions your staff answer, the photos they must take, where the specs come from and how condition sets the price. Every unit after that is a scan, eight photos and a tap.
Templates, not code
Each product type is a configurable recipe. New category, no release.
Specs from your catalogue
Model code pulls in every attribute, image and RRP you already hold.
Priced by condition
Grade the unit; the template does the arithmetic and the rounding.
A Total Commerce product. Installs as a Shopify app; your store stays the source of truth.