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Dive into a collection of past posts and rediscover timeless content.
Why CarMax Is Also a Car Bank

Sep 19, 2026

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11 min read

Why CarMax Is Also a Car Bank

The car on the lot is the advertisement. The loan attached to it is where a surprising share of the money actually comes from.

Penny Brief
Penny Brief
How Copart Turns Wrecked Cars Into Profit

Sep 19, 2026

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11 min read

How Copart Turns Wrecked Cars Into Profit

When an insurer declares your car a total loss, it does not disappear. It enters one of the strangest global marketplaces in existence.

Penny Brief
Penny Brief
How AutoZone Makes Money From Local Mechanics

Sep 19, 2026

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11 min read

How AutoZone Makes Money From Local Mechanics

There are two completely different businesses hiding inside one auto parts store, and the quiet one is the better one.

Penny Brief
Penny Brief
How Companies Build Moats Nobody Notices

Sep 19, 2026

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11 min read

How Companies Build Moats Nobody Notices

The best protection a business has is usually invisible, boring, and built one small decision at a time over many years.

Penny Brief
Penny Brief
How Companies Profit From Customers Who Buy Nothing

Sep 19, 2026

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11 min read

How Companies Profit From Customers Who Buy Nothing

Free samples, free trials, free returns, free shipping. Nothing free is free, and the people who never buy are part of the plan.

Penny Brief
Penny Brief
Why Profitable Companies Run Out of Cash

Sep 19, 2026

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11 min read

Why Profitable Companies Run Out of Cash

Profit is an opinion. Cash is a fact. Understanding the difference explains business failures and household budgets alike.

Penny Brief
Penny Brief
How Tiny Fees Become Billion Dollar Businesses

Sep 19, 2026

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10 min read

How Tiny Fees Become Billion Dollar Businesses

A few cents here, two percent there. The smallest charges in the economy quietly add up to the largest businesses in it.

Penny Brief
Penny Brief
Why Boring Companies Can Be Great Businesses

Sep 19, 2026

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10 min read

Why Boring Companies Can Be Great Businesses

Waste hauling, pest control, fasteners, and gravel. The least exciting industries in America are often the most profitable.

Penny Brief
Penny Brief
Why Companies Buy Back Their Own Stock

Sep 19, 2026

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11 min read

Why Companies Buy Back Their Own Stock

Buybacks get called everything from financial engineering to a gift to shareholders. Here is the plain explanation of what they actually do.

Penny Brief
Penny Brief
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