> For the complete documentation index, see [llms.txt](https://help.spicegems.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.spicegems.com/epa-easy-product-addons/faqs/what-happens-when-the-addon-product-inventory-quantity-is-zero.md).

# What happens if addon inventory is zero?

**If the addon product inventory reaches zero, it will not display with the main product, as Shopify automatically marks it as Sold Out.**

**To show Sold Out addon products on the storefront, enable the setting: *****Display Sold-Out Product*****.**

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