🌍 GlobalMoneyEntrepreneurshipeasy7 steps · ~25 min
Costco: The 11% margin cap that built a $400B empire
Jim Sinegal · Wholesale retail · 1983
Step 1 of 7 · ~2 min
Set the scene
Why Costco refuses to mark anything up more than 14%.
Protagonist
Jim Sinegal
Industry
Wholesale retail
Year
1983
Why this case matters
You're about to see a real decision real people lost sleep over. By the end, you'll have made the call yourself, seen what they actually did, and locked in the mental model with a 25-question mastery check.