video1.0<iframe src="https://www.loom.com/embed/f0d6e02b57af4bf2b54c10c333cd6b10" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/f0d6e02b57af4bf2b54c10c333cd6b10-dac1f82d644ccdf3.gif125.466667This Loom explains how to configure what happens when a kit item option is out of stock. It starts with ensuring kits are enabled and using the Items variant attributes to confirm option-level stock, such as small having no stock and no back orders. In the admin Catalog under Product Types then Custom Products, the presenter edits the kit and sets out of stock handling from the default strict mode to Allow and correct instead. A customer test shows strict prevents adding the kit to the basket, while Allow and correct adds it but blocks checkout until the customer switches to an in-stock option like medium.