Bulk Update Cost Per Item for Shopify Products with a Spreadsheet

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Bulk Update Cost Per Item for Shopify Products

If supplier costs change often, updating Cost per item in Shopify manually can take a lot of time. eCommix – Google Sheets Sync lets you update variant costs in bulk from a spreadsheet.

The field you need is:

  • Cost Per Item (Variant)

Real use case: Monthly supplier cost refresh before margin review

A finance team receives a monthly supplier spreadsheet with updated unit costs and needs to refresh Shopify variant costs before reviewing margins. With eCommix – Google Sheets Sync, they export variants, map supplier costs by SKU in Sheets, validate, and import Cost Per Item (Variant) in bulk.

This keeps margin reporting and pricing decisions based on current costs instead of stale values.

  • Ops maps supplier feed data to variant SKUs
  • Finance reviews large cost deltas before import
  • Team re-exports after import to verify cost updates

Use eCommix – Google Sheets Sync to export Shopify products to Google Sheets, bulk edit safely, validate changes, and import updates back to Shopify.

Learn more on ecommix.io

Install eCommix – Google Sheets Sync on Shopify

Why this matters

Keeping costs up to date helps with:

  • Margin analysis
  • Profit reporting
  • Pricing decisions
  • Supplier change tracking

[SCREENSHOT PLACEHOLDER]
sheet with Cost Per Item (Variant) column highlighted

Recommended workflow

  1. Export your inventory/variant data from eCommix – Google Sheets Sync.
  2. Include Cost Per Item (Variant) (or use the Variant Fields preset if needed).
  3. Edit costs in Google Sheets.
  4. Validate.
  5. Import.
  6. Re-export to confirm the final costs.

Best way to prepare cost updates

A reliable setup is:

  • Current cost (exported)
  • New supplier cost (from supplier feed)
  • Final cost to import
  • Change amount / change %

Then paste only final values into Cost Per Item (Variant).

[SCREENSHOT PLACEHOLDER]
helper columns comparing old and new cost values

Important: Cost is variant-level

Cost is stored per variant, so:

  • Export first for correct row mapping
  • Make sure the row corresponds to the correct SKU/variant
  • Validate before importing

Using a filtered sheet by vendor or supplier makes review much easier.

Common use cases

  • Supplier price list updates
  • Quarterly cost refresh
  • Margin cleanup before a pricing project
  • Bulk backfill of missing costs

Common mistakes to avoid

  • Editing only product-level rows and missing secondary variant rows
  • Pasting supplier prices into the wrong numeric column
  • Importing without validating
  • Updating the entire catalog when only one supplier changed

[SCREENSHOT PLACEHOLDER]
validation/import results for cost updates

Final tip

If cost updates feed into price updates, run them as two separate imports: first Cost Per Item (Variant), then pricing. This makes auditing and troubleshooting much easier.

Related Shopify Spreadsheet Guides

Continue with these related tutorials to build a complete bulk-edit workflow in Shopify:

Install eCommix – Google Sheets Sync

If you want to manage Shopify data in spreadsheets and import changes back with validation, install eCommix – Google Sheets Sync and start with a small test batch first.

Install eCommix – Google Sheets Sync

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