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Shipping, Ecommerce & WarehouseGenerated accuracy model review: 2026-05-06
Ecommerce Product Launch Planner accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Unit margin = price - COGS - shipping - fee. Gross profit subtracts ad budget and fixed launch cost.
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Launch Units: 500
- Sale Price: $48
- COGS per Unit: $16
- Shipping per Unit: $6
- Marketplace / Payment Fees: 8%
- Launch Ad Budget: $2,500
- Fixed Launch Cost: $1,800
Expected outputs
- Launch Gross Profit: $6,780.00
- Unit Margin: $22.16
- Break-Even Units: 195
Known limitations
- This workflow is a planning aid. Validate assumptions, rates, legal/compliance obligations, vendor quotes, and local policies before acting.
Assumptions
- All values are user-entered planning assumptions.
- Calculations run locally in the browser.
- Saved artifacts are stored only when a signed-in user explicitly saves them.
Unit handling
- Launch Units accepts numeric values.
- Sale Price accepts values in $.
- COGS per Unit accepts values in $.
- Shipping per Unit accepts values in $.
- Marketplace / Payment Fees accepts values in %.
- Launch Ad Budget accepts values in $.
- Fixed Launch Cost accepts values in $.
- Launch Gross Profit is displayed as currency.
- Unit Margin is displayed as currency.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Currency outputs are displayed with standard US dollar formatting.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current ecommerce-product-launch-planner calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Ecommerce Product Launch Planner.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.