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Dive into a collection of past posts and rediscover timeless content.
The Economics of McDonald’s Drive-Thru

Sep 18, 2026

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11 min read

The Economics of McDonald’s Drive-Thru

Two thirds of the revenue comes from a lane most people think of as a convenience.

Penny Brief
Penny Brief
The Economics of IKEA’s $1 Coffee

Sep 18, 2026

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13 min read

The Economics of IKEA’s $1 Coffee

In 1960 IKEA noticed customers leaving at lunchtime. Sixty six years later the whole store is still built around that one observation.

Penny Brief
Penny Brief
The Economics of Walmart’s Great Value Brand

Sep 18, 2026

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13 min read

The Economics of Walmart’s Great Value Brand

Walmart does not make the food. It owns everything that happens to the food after that.

Penny Brief
Penny Brief
The Economics of Costco’s Cheap Gas

Sep 18, 2026

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11 min read

The Economics of Costco’s Cheap Gas

Costco tells investors that selling more gas makes its margins look worse. It builds more stations anyway.

Penny Brief
Penny Brief
The Economics of Costco’s $4.99 Rotisserie Chicken

Sep 18, 2026

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11 min read

The Economics of Costco’s $4.99 Rotisserie Chicken

Costco built a $450 million poultry complex in Nebraska to protect a five dollar price. That is not a mistake. That is the whole strategy.

Penny Brief
Penny Brief
The Economics of Costco’s $1.50 Hot Dog: How a 41-Year Price Became a Retail Weapon

Sep 18, 2026

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14 min read

The Economics of Costco’s $1.50 Hot Dog: How a 41-Year Price Became a Retail Weapon

Most retailers change the price to protect the margin. Costco changed the company to protect the price.

Penny Brief
Penny Brief
Why Aldi Private Label Brands Are So Cheap: The Hidden Economics Behind Aldi’s Prices

Sep 18, 2026

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14 min read

Why Aldi Private Label Brands Are So Cheap: The Hidden Economics Behind Aldi’s Prices

Aldi did not negotiate better prices. It redesigned the machine that makes them.

Penny Brief
Penny Brief
How Walmart's Private Labels Threaten Big Brands?

Sep 18, 2026

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17 min read

How Walmart's Private Labels Threaten Big Brands?

Nobody has to stop buying Tide. They just have to start asking why they are paying for the name.

Penny Brief
Penny Brief
Costco Unit Prices: The Simple Math That Can Save You Money

Sep 18, 2026

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14 min read

Costco Unit Prices: The Simple Math That Can Save You Money

You did not save 20 cents a unit. You bought six months of inventory.

Penny Brief
Penny Brief
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