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Bundle Kit Margin Calculator

Calculate bundle kit margin from component costs, packaging, assembly labor, fulfillment and selling fees.

Calculate bundle margin from component costs, kit packaging, assembly labor, fulfillment and selling fees.

Build the kit

Kit selling price ($) Component 1 cost ($) Component 2 cost ($) Component 3 cost ($)

Advanced kit assumptions

Kit packaging ($) Assembly minutes Labor rate ($/hour) Selling fee (%) Fulfillment cost ($) Defect allowance (%)

Bundle kit margin

0.0%

Kit cost ledger

For beginners: how to read this result

Kit price is one unitAll component and assembly costs are combined for one sellable kit.

Labor changes marginAssembly time can turn a good bundle into a low-margin product.

Defects are averagedA small defect allowance spreads replacement risk across all kits.

Do not rely on preset rates. Enter your own component costs, labor cost and selling fee terms.

This calculator measures the margin of one sellable bundle or kit. It combines component costs with packaging, assembly labor, fulfillment, selling fees and a defect allowance so the bundle does not look more profitable than it is.

How to use it

Enter the kit selling price and the main component costs. Open advanced assumptions to include packaging, assembly time, labor rate, fulfillment, selling fees and expected defects.

What is not included

The result does not include official marketplace rates, income tax, inventory financing, brand licensing, product liability costs or demand effects from bundling.