Shopify margin safety toolkit

Know the safe price before a discount or supplier cost change

Calculate one product free, then scan the live catalog for missing costs and weak margins. Repair cost gaps, test discounts, and see which products need attention without automatic price changes.

Check a price free Install free from Shopify

Free for up to 100 variants. Read-only catalog analysis. The calculator can include shipping, packaging, and payment fees; it is still an estimate rather than order-level accounting.

Founder-led validation

Get a free 20-SKU margin check

I will help interpret missing costs and weak gross-margin variants. You get a short fix list, not a sales call.

Live on Shopify App StoreFree plan: 100 variantsRead-only by design

Built for buyers with catalog risk

Most tools show store profit. Margin Sentinel shows which variants are wrong, risky, or missing cost data.

Parts, equipment, furniture, lighting, beauty, hobby, sporting goods, and any catalog where a few wrong costs can hide inside hundreds of variants.

Margin leak scan. Catch negative catalog gross margin, variants below target, and missing-cost rows from current Shopify product data.
Supplier cost import. Upload product costs by variant ID, inventory item ID, or SKU and preview the impact before saving.
Inventory risk. Prioritize fixes by the margin gap and quantity sitting in stock.
Margin scenarios. Model discounts, supplier cost increases, shipping, packaging, and payment fees before changing prices.
Actionable export. Download findings with margin gap, next action, and suggested minimum price.
Weekly guardrail. Keep a recurring report ready for the team before margin leaks become normal.