Stock synchronisation & inventory

Step 1: How stock sync works

Coderom regularly checks whether each product is still available on Amazon. When it detects a change, it updates your eBay listing automatically:

• In stock on Amazon → Your eBay listing shows available quantity
• Out of stock on Amazon → Your eBay listing quantity is set to 0 (buyers can't purchase)
• Back in stock → Your eBay listing is reactivated automatically

This runs in the background — you don't need to do anything.

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Step 1: How stock sync works

Step 2: Out-of-stock protection

This is one of Coderom's most important features. If a buyer purchases a product on eBay but it's out of stock on Amazon, you'd need to cancel the order — damaging your seller rating.

Coderom prevents this by:

1. Checking stock levels every few hours
2. Setting quantity to 0 as soon as a product is unavailable
3. eBay's "Out of Stock" feature keeps the listing active but hidden from search

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Step 2: Out-of-stock protection

Step 3: Stock quantity settings

Go to Settings → Stock to configure:

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Step 3: Stock quantity settings

Step 4: Re-stock detection

When a product comes back in stock on Amazon:

1. Coderom detects the availability change during the next check
2. Your eBay listing quantity is automatically restored
3. The listing becomes visible in eBay search again
4. The price is also re-checked and updated if needed

No manual action required — everything happens automatically.

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Step 4: Re-stock detection

Step 5: Stock sync schedule

Stock is checked on the same smart schedule as pricing: