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A Daily Letter About Businesses That Pay You Forever

One business every morning. I explain the model. Then explain why it keeps working.

A Daily Letter About Businesses That Pay You Forever

One business every morning. I explain the model. Then explain why it keeps working.

Compounders • Recurring Revenue • Royalties • REITs • Toll-Booths • Monthly Income

This isn't a newsletter about markets. It's a newsletter about businesses.

Specifically, businesses that generate recurring income — month after month, decade after decade. Toll-booths. Royalty streams. Subscription software that nobody wants to rip out and replace. Triple-net leases on land a company has held since before you were born.

These aren't exciting businesses. That's the point.

I write about one of them every morning. The origin story. The math. The one number that explains why it keeps working. By the end of your first week, you'll understand five of them. By the end of a month, twenty. You'll start noticing them everywhere — inside the apps on your phone, in the building you work in, underneath the roads you drive on.

Theodore Crane

For a long time, I tried to understand markets the way most people do. Macro reports. Rate decisions. Geopolitical shifts and their second-order effects.

I got reasonably good at it. And then I noticed something.

The businesses that kept growing — quietly, year after year, without needing anyone to pay attention — weren't the ones with the best macro tailwinds. They were the ones with the best contracts. A company that processes payroll for 750,000 small businesses doesn't need a view on the Fed. A company that owns the land under a mine just waits.

My neighbor growing up ran a small linen route. Same twelve restaurants for nine years. He raised prices once. Nobody switched. He didn't read the financial press.

I started to think he understood something that most investors never figure out.

This letter is what I've been building ever since. Every morning, one business like his — except bigger, older, and harder to leave. I explain the model. You decide what to do with it.

I

I pick one business

One company with a clear, durable cash flow model. The kind that does not need a view on the Fed. A different one every single day.

II

I go to the source

10-K filings, earnings transcripts, investor presentations. If a number cannot be verified, it does not make the letter.

III

I write the letter

The model. The numbers. The story behind the moat. Plain English. No jargon, no buy or sell.

IV

You decide what to do with it

Five minutes. One business better understood than before. That is the whole thing.


"My neighbor growing up ran a small linen route. Same twelve restaurants for nine years. He raised prices once. Nobody switched. He did not read the financial press."

Theodore Crane

For a long time, I tried to understand markets the way most people do. Macro reports. Rate decisions. Geopolitical shifts and their second-order effects.

I got reasonably good at it. And then I noticed something.

Read more Show less

The businesses that kept growing, quietly, year after year, without needing anyone to pay attention, were not the ones with the best macro tailwinds. They were the ones with the best contracts. A company that processes payroll for 750,000 small businesses does not need a view on the Fed. A company that owns the land under a mine just waits.

My neighbor growing up ran a small linen route. Same twelve restaurants for nine years. He raised prices once. Nobody switched. He did not read the financial press.

I started to think he understood something that most investors never figure out.

This letter is what I have been building ever since. Every morning, one business like his, except bigger, older, and harder to leave. I explain the model. You decide what to do with it.

A Taxi Driver’s Son Built the Most Profitable Casino on Earth. In Singapore.

Oct 30, 2026

•

5 min read

A Taxi Driver’s Son Built the Most Profitable Casino on Earth. In Singapore.

Sheldon Adelson’s company is called Las Vegas Sands — and it doesn’t operate a single property in Las Vegas anymore.

Cashflow Currents
Cashflow Currents
The Merger That Created America’s Largest Storage Company

Oct 29, 2026

•

5 min read

The Merger That Created America’s Largest Storage Company

$3.4 billion in revenue from three streams: rent, tenant insurance, and management fees for stores it doesn’t even own.

Cashflow Currents
Cashflow Currents
Three Generations in Daytona Beach. $5.9 Billion Later.

Oct 28, 2026

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5 min read

Three Generations in Daytona Beach. $5.9 Billion Later.

He sold his agency and stayed. ‘The sign on the door changed. That’s about it.

Cashflow Currents
Cashflow Currents
A Payroll Firm Began With $50,000. It Now Brings In Billions.

Oct 27, 2026

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4 min read

A Payroll Firm Began With $50,000. It Now Brings In Billions.

Most payroll companies let HR enter the data. Paycom lets the employee do it.

Cashflow Currents
Cashflow Currents
Two PhD Students. One Garage. $403 Billion Later.

Oct 26, 2026

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6 min read

Two PhD Students. One Garage. $403 Billion Later.

Every time you ask Google a question, an advertiser pays to appear next to the answer — 8.5 billion times a day

Cashflow Currents
Cashflow Currents
Three Engines. One Holding Company. 96 Years.

Oct 23, 2026

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4 min read

Three Engines. One Holding Company. 96 Years.

$32.8 billion in investments, $8.4 billion in earned premiums, and 20+ wholly owned operating companies — all from one holding company in Virginia.

Cashflow Currents
Cashflow Currents
The Sign Nobody Can Build Next To

Oct 22, 2026

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5 min read

The Sign Nobody Can Build Next To

You can’t build a new billboard next to an existing one — the permits don’t exist, and Lamar owns 159,000 of the locations that do.

Cashflow Currents
Cashflow Currents
The Exchange Bought Your Mortgage

Oct 21, 2026

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5 min read

The Exchange Bought Your Mortgage

The company that matches your stock trades also processes your mortgage application — and it charges a fee on every step

Cashflow Currents
Cashflow Currents
The Operating System That Makes Every Company Better

Oct 20, 2026

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5 min read

The Operating System That Makes Every Company Better

Steven and Mitchell rales named the company after a fishing creek in Montana — 42 years later, it runs the instruments in every hospital lab on Earth.

Cashflow Currents
Cashflow Currents
They Pay for What Used to Be Free

Oct 19, 2026

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5 min read

They Pay for What Used to Be Free

Daniel Ek was 23 when he bet that people would pay for music if the experience was good enough — 290 million subscribers say he was right

Cashflow Currents
Cashflow Currents
A $7.49 Sandwich in a Parked Car. The Brand Never Paid for It.

Oct 16, 2026

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5 min read

A $7.49 Sandwich in a Parked Car. The Brand Never Paid for It.

When menu prices go up, the royalty goes up with them — at no extra cost.

Cashflow Currents
Cashflow Currents
Two Engineers Built a Meeting Room. That Was 28 Years Ago.

Oct 15, 2026

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5 min read

Two Engineers Built a Meeting Room. That Was 28 Years Ago.

500,000 physical interconnections across 280 data centers in 77 markets — every new tenant makes the building more valuable for everyone else.

Cashflow Currents
Cashflow Currents
The Bottleneck Was the Opportunity

Oct 14, 2026

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5 min read

The Bottleneck Was the Opportunity

Two engineers left Stanford in 1990 to fix the gap between processor speed and memory speed — 36 years later, every chipmaker pays for what they built

Cashflow Currents
Cashflow Currents
The Business That Grows on Red Tape

Oct 13, 2026

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4 min read

The Business That Grows on Red Tape

€6.1 billion in revenue, 83% recurring, and five straight years of 6% organic growth — from a company founded in 1836

Cashflow Currents
Cashflow Currents
The Store That Never Runs a Sale

Oct 12, 2026

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5 min read

The Store That Never Runs a Sale

Sam Walton borrowed $25,000, opened a five-and-dime in Arkansas, lost the lease, moved to Bentonville, and built the largest company by revenue on earth

Cashflow Currents
Cashflow Currents
The Insurer That Earns on Both Sides

Oct 9, 2026

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5 min read

The Insurer That Earns on Both Sides

William Berkley founded the company at 21, ran it for nearly 50 years, and handed it to his son — he died four months ago at 80

Cashflow Currents
Cashflow Currents
The Pipeline That Heats the Eastern Seaboard

Oct 8, 2026

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4 min read

The Pipeline That Heats the Eastern Seaboard

Transco runs 9,600 miles from south Texas to New York city — every molecule of gas that heats the eastern seaboard passes through it

Cashflow Currents
Cashflow Currents
A Lumber Company Kept the Mineral Rights. That Was 150 Years Ago.

Oct 7, 2026

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5 min read

A Lumber Company Kept the Mineral Rights. That Was 150 Years Ago.

In 1876, the Carter family started a lumber company in east Texas — when the Timber ran out, they kept the mineral rights underneath

Cashflow Currents
Cashflow Currents
A Research Firm Ranks Software Vendors. Both Buyer and Seller Pay for It.

Oct 6, 2026

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4 min read

A Research Firm Ranks Software Vendors. Both Buyer and Seller Pay for It.

The meeting ended ten minutes after someone pulled up the chart.

Cashflow Currents
Cashflow Currents
Microsoft Sold Office in a Box Once. Now the Meter Never Stops Running.

Oct 5, 2026

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4 min read

Microsoft Sold Office in a Box Once. Now the Meter Never Stops Running.

Nearly two years of revenue is already under contract before a single server spins up.

Cashflow Currents
Cashflow Currents
A Gaming Company Operates 27 Casinos Across 10 States. That Is the Portfolio.

Oct 2, 2026

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4 min read

A Gaming Company Operates 27 Casinos Across 10 States. That Is the Portfolio.

The parking lot was half full at 2 p.m. on a Tuesday, and the margins approach 50%.

Cashflow Currents
Cashflow Currents
Private Lenders Finance Midsize American Companies. That Is the Business.

Oct 1, 2026

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5 min read

Private Lenders Finance Midsize American Companies. That Is the Business.

Since the 2004 IPO it has paid out more in dividends than the share price itself.

Cashflow Currents
Cashflow Currents
The London Stock Exchange Trades British Shares. It Has for Centuries.

Sep 30, 2026

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5 min read

The London Stock Exchange Trades British Shares. It Has for Centuries.

It started in 1698 with a handwritten price list and a crowd drinking coffee.

Cashflow Currents
Cashflow Currents
FactSet Sells Financial Data. Wall Street Firms Buy It.

Sep 29, 2026

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5 min read

FactSet Sells Financial Data. Wall Street Firms Buy It.

Two men quit in 1978, hired fewer than ten people, and never had a down year since.

Cashflow Currents
Cashflow Currents
The Capsule Costs a Dollar. The Habit Costs $1,800 a Year.

Sep 28, 2026

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5 min read

The Capsule Costs a Dollar. The Habit Costs $1,800 a Year.

One Swiss pharmacist, one sick baby, 1867 — and the largest food company on Earth 159 years later.

Cashflow Currents
Cashflow Currents

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