TariffFox Blog

Practical guides for Shopify merchants. TariffFox on the App Store →

• Cost per item on Shopify: the field most merchants leave empty (and why it costs them) (2026-09-04)
• Which SKUs Went Underwater? Finding Negative-Margin Products After Tariff Changes (2026-08-18)
• Country-Specific US Tariff Rates: A Repricing Strategy for Shopify Importers (2026-07-31)
• How to Calculate Landed Cost Per SKU on Shopify (Spreadsheet + Formulas) (2026-07-14)