
Building a Tariff-Aware Unit Cost Model: The Step-by-Step Framework for Cross-Border Dropshipping Math
A silicone kitchen spatula sourced from Guangdong at $4.50 per unit, with $4.80 in shipping, doesn't land in a U.S. customer's hands at $9.30. After a 28.4% combined duty rate, insurance, and processing fees, the true landed cost hits $12.94, slashing a perceived 60% gross margin to roughly 48%.






