Auditable unit economics

A profit estimate you can inspect line by line.

Enter current product-specific values from the retailer, Amazon Revenue Calculator or Fee Preview, and your own cost records. Every output traces back to a visible input.

Build the estimate Open Amazon fee guidance

Per-unit CAD ledgerReferral-fee minimumAmazon.ca or Amazon.comNo hidden assumptions

Reviewed July 27, 2026. Marketplace programs, fees, and third-party services can change.

Input ledger

Build one realistic unit

Marketplace-currency fields are converted using your CAD rate. Canadian cost fields stay in CAD. Marketplace-collected sales tax is excluded because it is not seller revenue.

01 Sale and currency

Item price Marketplace currency Shipping charged to customer Marketplace currency Gift wrap charged Marketplace currency CAD per currency unit 1.0000 for Amazon.ca; current conversion for Amazon.com

02 Inventory and landed cost

Source product cost CAD, excluding recoverable input tax credits Source tax not recoverable CAD; enter 0 if fully recoverable Prep and labelling CAD per unit Inbound shipping CAD per unit Duty and brokerage CAD per unit

03 Amazon fees

Referral fee rate % of item + customer shipping + gift wrap Minimum referral fee Marketplace currency; category-specific FBA fulfilment fee Marketplace currency; use current product estimate Per-item and closing fees Marketplace currency Storage allocation Marketplace currency per unit Inbound placement/service fee Marketplace currency per unit Other Amazon fees Marketplace currency; hazmat, aged inventory, removal risk, etc.

04 Operating risk

Advertising cost % of gross sales Returns and refunds reserve % of gross sales; use your history FX and payout loss % of gross sales; use 0 for no conversion cost Subscription allocation CAD per unit Other operating costs CAD per unit

Accuracy protocol

Use authoritative inputs, not fee guesses.

Match the exact listing.Variation, dimensions, shipping weight, category, and dangerous-goods status affect fees.
Copy current fees.Use Amazon Revenue Calculator, Seller Central “Estimated fees per unit sold,” or Fee Preview.
Use your tax treatment.Include only source tax you cannot recover. Confirm treatment with your accountant.
Stress the assumptions.Model ads, returns, storage time, FX, and optional-program costs from your own history.

Amazon fee-estimate guidance Amazon.ca pricing and fee tables

What “accurate” means

The math is deterministic. The estimate is only as current as its inputs.

Amazon itself describes calculator results as estimates and notes that actual costs can vary. RetailRadar therefore does not hardcode a full product-fee schedule or claim account-level precision. It gives you a complete, inspectable ledger for current values from the authoritative tools.

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Find and validate the next candidate

CALCULATEFBA profit calculatorModel a complete per-unit cost ledger in CAD.Open calculator VALIDATERetailRadar + Keepa workflowSeparate source discovery from marketplace validation.View workflow COMPARERetailRadar vs. StockTrackCompare a sourcing workspace with a focused lookup tool.See comparison DISCOVERA Canadian BrickSeek alternativeSearch Canadian retailers and CAD price observations.Explore the difference MATCHUPC to ASIN researchValidate a barcode and open focused marketplace searches.Research a barcode TRUSTHow RetailRadar data worksUnderstand freshness, coverage, and public-page safeguards.Read methodology

Start with better source data

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Search Canadian retailers, inspect price movement, and keep only the products worth validating.

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Estimate, not accounting or tax advice: Results exclude marketplace-collected sales tax from seller revenue and include only the costs you enter. Confirm current fees, tax treatment, eligibility, and the exact listing before purchasing.