Amazon FBA Unit Economics

Live Model FBA

Scenario Presets

Pricing & Volume

Sale Price $89.99

Monthly Units Sold 150

Cost of Goods (per unit)

Manufacturing Cost (ex-works) $14.00

Sea Freight + Customs (per unit) $4.50

Packaging & Inserts $1.50

Inspection / QC $0.80

Amazon Fees

Referral Fee % 15%

FBA Fulfillment Fee $6.20

FBA Storage Fee (monthly) $1.20

Returns & Chargebacks

Return Rate % 4%

Restocking / Disposal per Return $8.00

Advertising (PPC)

Ad Spend % of Revenue (TACOS) 12%

Fixed / Overhead (monthly)

Software & Tools $150

Design / Photography $80

Miscellaneous Overhead $120

Inventory Carrying Cost % (annual) 20%

Net Profit / Unit

—

margin

Monthly Net Profit

—

revenue

Break-Even Units/Mo

—

of target volume

ROAS

—

Return on ad spend

Per-Unit P&L Waterfall

Cost Structure (per unit)

Net Profit / Unit — margin

Monthly Profit vs. Units Sold

Sensitivity: Net Margin % at Different Price × COGS Combinations

Bear Case

Base Case

Bull Case