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Multichannel Inventory Sync: Link Quantity on Multiple eBay Listings & Channels

How to apply the same inventory across eBay listings with eBay Custom Labels (SKU)

Lisa Adams avatar
Written by Lisa Adams
Updated this week

Sync eBay listing inventory between eBay accounts and between eBay listings using SKUs (eBay Custom Labels).

Expanding inventory synchronization processes to include multiple platforms (e.g., Shopify and eBay) can help sellers maintain consistency and avoid overstocking or selling out-of-stock items.

In this article:


Does eBay allow selling the same item with multiple listings (duplicate listings)?

Under certain conditions, eBay's Duplicate Listings Policy allows selling the same item with multiple listings. For example, merchants who want to customize listings and prices for different eBay sites may do so by publishing each listing to each eBay site with significant differences (see policy) from the other eBay sites with the same item.


Synchronizing Inventory Across Platforms

For sellers managing listings on multiple platforms like Shopify and eBay, synchronization ensures accuracy and prevents discrepancies. Linking listings via shared SKUs enables synchronized updates across all platforms.How to sync eBay Quantities with an SKU

  • Navigate to ProductsInventory ManagementSKU Stock Linking

  • Click Link New SKU

  • Select the eBay accounts where the item is included

  • Enter SKUs to synchronized inventories

Inventory Settings

After every sale, the Quantity is automatically restocked from the Warehouse. To skip this feature, set each of these to the same value. To maintain consistent displayed quantities (e.g., always showing a quantity of one), inventory management tools can automatically replenish quantities after each sale.

  • Quantity is the number that eBay will display.

  • "Warehouse" is the actual inventory you have in stock.

Upload a CSV to sync SKUs

  • You can also bulk add SKUs to eBay accounts with a CSV.

This feature can also be utilized for synchronizing inventory across multiple platforms, expanding its application beyond eBay alone.

  • In your CSV, include columns for

    • SKU,

    • quantities, and

    • InventoryControl (enables inventory sync).

SKU

Quantity

Warehouse

InventoryControl

SKU_1

3

86

TRUE

SKU_2

2

422

TRUE

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