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BoxBuilder works with WooCommerce’s native inventory system. Each product in a box has its own stock level, and BoxBuilder respects those stock levels throughout the customer experience.

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How Stock Works

  1. Product picker: Out-of-stock products are handled based on your Display settings (hidden, shown with badge, or shown without indicator)
  2. Add to cart: Each selected product is added as a hidden cart item — WooCommerce tracks stock for each
  3. Checkout: WooCommerce reduces stock for every individual product in the box
  4. Refund/cancel: Stock is restored through standard WooCommerce order management
BoxBuilder does not manage stock separately. It relies entirely on WooCommerce’s built-in stock management. If a product has stock tracking enabled in WooCommerce, BoxBuilder respects it.

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Out-of-Stock Handling

You can control how out-of-stock products appear in the builder via BoxBuilder → Settings → Display under Stock Management:
OptionDescription
Show all (no indicator)Out-of-stock products appear normally — no badge or restriction
Show with badge (disabled)Products are visible but grayed out with a badge — customers cannot add them (default)
Hide completelyOut-of-stock products are removed from the product grid entirely
You can also set a Low Stock Threshold (default: 5). When a product’s stock is at or below this number, an “Only X left!” badge appears on the product card. If a product goes out of stock while a customer is building their box (another customer purchased the last unit), the stock check happens again at checkout and WooCommerce will prevent the order if stock is insufficient.

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Stock Reduction at Checkout

When an order is placed:
ItemStock Reduced?
Box product (parent)Only if stock tracking is enabled on the box product
Selected items (children)Yes — each product’s stock is reduced by the quantity selected
This means if a customer builds a box with 3x Chocolate Truffles and 2x Vanilla Fudge, stock is reduced by 3 and 2 respectively for those products.

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Stock Restoration

When an order is cancelled or refunded:
  • WooCommerce restores stock for each individual product
  • Standard WooCommerce “Restore stock” behavior applies

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Pro: Enhanced Inventory Features

The following features are available in BoxBuilder Pro.
  • Low stock warnings: “Only 3 left” badge on product cards in the builder
  • Stock reserve on add-to-cart: Prevents overselling by reserving stock when the box is added to cart (before checkout)
  • Admin low stock alerts: Notifications when items used in active boxes drop below a threshold