Bundle & Multipack Unit Economics

Amazon Bundle & Multipack Profit Calculator

Model multi-item bundles, shrink-wrapped multipacks, and custom product kits. Aggregate individual item component costs, factor in assembly prep labor, and evaluate combined FBA fulfillment fees.

Seller Note: Verify FBA fee for the combined pack's size/weight and referral rate in Seller Central — bundling multiple items combines individual units into a single combined fulfillment tier.

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1. Bundle Component Items & COGS

Add component products included in this single bundle

Subtotal COGS: $15.75
$
$7.00
$
$7.50
$
$1.25

2. Bundle Price & Combined Amazon Fees

Set combined retail price, prep labor, and size/weight FBA fees

$
Referral Fee: 15% ($7.50)
$

Fee for combined package size/weight

$

Labor, polybagging, shrink-wrap, boxing

$
%
%
Net Bundle ProfitProfitable
Net Profit / Bundle
$9.29
18.6%
Profit Margin
48.8%
ROI %
Verify before you act:Amazon FBA & referral fees reflect 2026 fee updates. Verify final numbers in Seller Central.

Bundle Cost Allocation

Margin18.6%
Component COGS
$15.75
Assembly & Prep
$1.50
Inbound Freight
$1.80
Referral Fee
$7.50
Combined FBA Fee
$5.40
Returns Reserve
$1.25
Ad Spend (PPC)
$7.50
Net Profit
$9.29

Line-Item Bundle Breakdown

Per Bundle
Bundle Retail Price+$49.99
Component COGS Subtotal (3 items)-$15.75
• Shampoo Bottle (8 oz) (2x)$7.00
• Conditioner Bottle (8 oz) (2x)$7.50
• Gift Shrink Wrap & Packaging (1x)$1.25
Assembly & Bundle Prep-$1.50
Inbound Freight-$1.80
Amazon Referral Fee (15%)-$7.50
Combined FBA Fulfillment Fee-$5.40
Est. Customer Returns (2.5%)-$1.25
PPC Advertising Spend-$7.50
Net Bundle Profit$9.29
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Frequently Asked Questions — Amazon Bundling & Multipacks