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Dropship Arbitrage Profit Margin Calculator

Calculate specific per-item net margins after absorbing catastrophic Customer Acquisition Costs (CAC) on Meta ad platforms.

Calculator Parameters
Revenue Metrics
$
What the customer physically pays
Vampire Dependencies
$
Base factory cost
$
Postage cost to USA
$
Usually 2.9% + $0.30
$
The massive Facebook Ad Tax
Summary
True Margin Per Sale
$5.50
3.3x
Markup Multiplier
13.5%
Actual Profit %
Allocation Split
Unit Economy Exhaustion
Net Margin 13%
Platform / Supplier Vampires 87%
Education

The CAC Squeeze Matrix

Why the 'Golden Era' of Arbitrage died immediately when Meta optimized algorithms.

The Ad Tax (CAC)

Dropshipping does not magically generate organic sales. You must forcefully buy the consumer's attention by purchasing ads on platforms identically designed to extract all of your profit. The Cost Per Acquisition (CAC) is the metric dictating the exact dollar amount of ads you must burn to mathematically spawn exactly one human sale.

If you sell a plastic trinket for $50, and you buy it from China for $15, you assume you "made" $35. However, if the current Facebook bidding market requires exactly $32 of active ad spend to get enough human impressions directly leading to a single purchase—your entire margin violently evaporated into $3.

The 3x Minimum Rule

Basic dropship arbitrage strictly mathematically mandates a 3x to 4x baseline markup divisor to mathematically survive modern CAC bidding markets. If a product physically costs $20 to buy and ship, you must ruthlessly mandate a $60 minimum retail price simply so there is enough empty space directly inserted to absorb the incoming $25 Facebook Ad tax without triggering systemic bankruptcy loss loops.