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20 Most Profitable Email Newsletters on Substack

In this article, we will take a look at the 20 most profitable email newsletters on Substack. If you want to skip our detailed analysis, you can go directly to the 5 Most Profitable Email Newsletters on Substack.

Substack: An Analysis and Recent Upgrades

Substack is a leading publishing platform in the United States. It was launched in 2017 and is headquartered in California, United States. The platform enables authors to deliver newsletters directly to reader’s inboxes. The platform is home to more than 35 million active subscriptions, and over 2 million paid subscriptions. The top 10 publishers collectively earn more than $25 million on average every year. The platform is a hub for knowledge generation. It houses celebrated writers from across the globe including Margaret Atwood, George Saunders, and Kareem Abdul-Jabbar. It covers topics from politics, science, economics, environment, and law to pop culture, music, and art. To start a Substack, authors can sign up on the website. About 86% of the revenue goes to the writer, 4% is deducted as a payment fee, and 10% goes to Substack.

Substack constantly works to improve the experience of authors and readers. On February 22, Substack upgraded its recommendation network. Substack recommendations were launched two years ago. Writers recommend publications to their subscribers using the feature. As of today, the recommendations feature drives over 50% of all new subscriptions and 25% of all new paid subscriptions. With the new upgrade, writers will now be able to curate their own “scenes”. This means that writers can now introduce and launch more publications for their subscribers, recommend people to follow on the mobile app, and provide readers with instant access to authors they trust. The system enables a healthier environment for authors. Users will be able to see the recommendations once they subscribe to a certain author. Previously, users would only see 3 recommendations. Writers may also be able to customize the recommendations list soon. You can also take a look at the best free newsletters to subscribe to in 2024.

For authors on Substack that are looking to further expand the reach of their work, services such as Intuit Inc.’s (NASDAQ:INTU) Mailchimp can help. Mailchimp is a leading email marketing and marketing automation company. The company offers a variety of tools and services including analytics & AI, email sales automation, and engaging designs and templates. Moreover, the company also offers over 300 integrations with applications including Canva, Shopify, Instagram, Google Analytics, Zapier, WooCommerce, and more.

Substack Alternatives in the Market

Some of the best Substack alternatives include Medium, Ghost, and Memberful. Let’s discuss some recent updates from these companies. You can also take a look at the most popular email newsletters in the US in 2024.

Medium is an online publishing platform based in the United States. More than 100 million people connect on Medium to share their ideas. It was launched in 2012. The platform is home to professional writers, CEOs, computer scientists, US Presidents, novelists, and amateur authors. On February 23, Medium announced that the company would be holding a virtual meetup to connect authors on March 19. Pub Crawl will allow authors to exchange ideas via informative panels in a virtual space. Writers may immensely benefit from the virtual meetup, as they will be able to learn best practices, gain information on publications they have not come across, and gather insights on editing and story building.

Ghost is a publishing platform for professional writers. The platform allows publishers to create and share content with readers from across the globe. Users can send multiple newsletters based on their target audience segments. Publishers earn more than a total of $25 million in revenue a year. The platform does not charge any payment fee. Users can use the platform for free with a 14-day trial. The platform offers more than 100 integrations with useful applications and plug-ins including Zapier, Google Analytics, Stripe, FirstPromoter, Mailchimp, Shopify, Discord, Slack, Netlify, and Youtube, among others.

Memberful is one of the best alternatives to Substack for authors willing to set up a newsletter easily. On February 15, Memberful launched an interesting and new way to engage with free readers. Publishers can now display a separate box for readers looking for a free subscription, making it easier for them to join the community. Publishers will also be able to customize content on the free registration form. Publishers can make their general content available to the public to establish credibility and attract the right subscribers.

Now that we have discussed Substack and its alternatives, let’s take a look at the 20 most profitable email newsletters on Substack. You can also read our piece on the most influential newsletters to subscribe to in 2024.

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Our Methodology

To gather a list of the 20 most profitable email newsletters on Substack, we sifted through more than 10 rankings on the internet. We then picked the newsletters that appeared in 50% of our sources. To identify the top 20 items, we sourced the number of total subscribers for our pool of newsletters from their official websites. Since we were unable to classify the paid and free subscribers from the total subscribers, we hypothesized that the higher the total subscriber count, the higher the count for paid subscribers would be. Such depicts the profitability of a newsletter. It is to be noted that we only included newsletters that had the total number of subscribers publicly available. Our list of the most profitable email newsletters on Substack is in ascending order of the total subscriber count, as of February 18, 2024.

By the way, Insider Monkey is an investing website that tracks the movements of corporate insiders and hedge funds. By using a consensus approach, we identify the best stock picks of more than 900 hedge funds investing in US stocks. The top 10 consensus stock picks of hedge funds outperformed the S&P 500 Index by more than 140 percentage points over the last 10 years (see the details here). Whether you are a beginner investor or a professional one looking for the best stocks to buy, you can benefit from the wisdom of hedge funds and corporate insiders.

20 Most Profitable Email Newsletters on Substack

20. The Martyr Made Substack

Number of Subscribers on Substack as of February 18, 2024: 85,000

The Martyr Made Substack by Darryl Cooper is one of the most profitable email newsletters on Substack. Subscribers can gain access to notes and written material by the author. It has more than 85,000 subscribers.

19. Tipping Point Prophecy Update

Number of Subscribers on Substack as of February 18, 2024: 119,000

The newsletter uncovers and explores biblical prophecy and draws important parallels. Tipping Point Prophecy Update ranks 19th on our list of the most profitable newsletters on Substack.

18. Huddle Up

Number of Subscribers on Substack as of February 18, 2024: 121,000

Huddle Up by Joe Pompliano breaks down important business and money updates from the Sports industry. The newsletter is delivered 3 times a week. It has more than 121,000 subscribers.

17. Slow Boring

Number of Subscribers on Substack as of February 18, 2024: 123,000

Slow Boring by Matthew Yglesias ranks as one of the most profitable email newsletters on Substack. The newsletter shares interesting takes on politics and public policy.

16. The Isolation Journals

Number of Subscribers on Substack as of February 18, 2024: 155,000

The Isolation Journals with Suleika Jaouad ranks 16th on our list of the most profitable newsletters on Substack. By subscribing, users may also gain access to its advice column, essays, and other writings. It has more than 155,000 subscribers.

15. The Weekly Dish

Number of Subscribers on Substack as of February 18, 2024: 158,000

The Weekly Dish by Andrew Sullivan ignites discussions on interesting topics. The Weekly Dish by Sullivan is also available as a website or podcast. The newsletter includes a main column, short posts, and a dissent section.

14. Noahpinion

Number of Subscribers on Substack as of February 18, 2024: 184,000

Noahpinion by Noah Smith ranks 14th on our list of Substack’s most profitable email newsletters. The newsletter covers interesting topics and offers an elaborate economic analysis.

13. Your Local Epidemiologist

Number of Subscribers on Substack as of February 18, 2024: 224,000

Your Local Epidemiologist is one of the most profitable email newsletters on Substack. The newsletter by Katelyn Jetelina covers important topics related to public health. It has more than 224,000 subscribers.

12. Unreported Truths

Number of Subscribers on Substack as of February 18, 2024: 245,000

Unreported Truths by Alex Berenson ranks 12th on our list of Substack’s most profitable email newsletters. Berenson is also a former New York Times reporter with 13 published novels.

11. The Bulwark

Number of Subscribers on Substack as of February 18, 2024: 279,000

The Bulwark ranks among the most profitable email newsletters to subscribe to in 2024. The newsletter analyzes American politics and culture.

10. House Inhabit

Number of Subscribers on Substack as of February 18, 2024: 293,000

The newsletter discusses pop culture, lifestyles, and gossip. House Inhabit by Jessica Reed Kraus ranks 10th on our list of the most profitable email newsletters on Substack. It has more than 293,000 subscribers.

9. Steady

Number of Subscribers on Substack as of February 18, 2024: 301,000

Steady by Dan Rather is one of the most profitable email newsletters on Substack. Through the newsletter, Rather shares his complex views on the world with his readers.

8. Popular Information

Number of Subscribers on Substack as of February 18, 2024: 303,000

Popular Information by Judd Legum ranks eighth on our list of the most profitable email newsletters on Substack. The newsletter is aimed at accountability journalism.

7. Outside Voices

Number of Subscribers on Substack as of February 18, 2024: 311,000

Glenn Greenwald carries out investigative reporting and analyzes the status quo in his newsletter. Outside Voices by Glenn Greenwald is one of the most profitable email newsletters on Substack.  It has more than 311,000 subscribers.

6. Robert Reich

Number of Subscribers on Substack as of February 18, 2024: 319,000

The daily newsletter by Robert Reich ranks sixth on our list of the most profitable email newsletters on Substack. The newsletter is delivered daily and it discusses the positive and negative nuances of power.

Click to continue reading and see the 5 Most Profitable Email Newsletters on Substack.

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Disclosure: None. 20 Most Profitable Email Newsletters on Substack is originally published on Insider Monkey.

The $250 Trillion AI Hype is Real. A few years from now, you’ll probably wish you’d bought this stock.

When Jeff Bezos said that one breakthrough technology would shape Amazon’s destiny, even Wall Street’s biggest analysts were caught off guard.

Fast forward a year and Amazon’s new CEO Andy Jassy described generative AI as a “once-in-a-lifetime” technology that is already being used across Amazon to reinvent customer experiences.

At the 8th Future Investment Initiative conference, Elon Musk predicted that by 2040 there would be at least 10 billion humanoid robots, with each priced between $20,000 and $25,000.

Do the math. According to Musk, this technology could be worth $250 trillion by 2040.

Put another way, that’s roughly equal to:

  • 175 Teslas
  • 107 Amazons
  • 140 Metas
  • 84 Googles
  • 65 Microsofts
  • And 55 Nvidias

And here’s the wild part — this $250 trillion wave isn’t tied to one company, but to an entire ecosystem of AI innovators set to reshape the global economy.

It’s a leap so massive, it could reshape how businesses, governments, and consumers operate worldwide.

Even if that $250 trillion figure sounds ambitious, major firms like PwC and McKinsey still see AI unlocking multi-trillion-dollar potential.

How could anything be worth that much?

The answer lies in a breakthrough so powerful it’s redefining how humanity works, learns, and creates.

And this breakthrough has already set off a frenzy among hedge funds and Wall Street’s top investors.

What most investors don’t realize is that one under-owned company holds the key to this $250 trillion revolution.

In fact, Verge argues this company’s supercheap AI technology should concern rivals.

Before I reveal the details, let’s talk about how some of the richest people on the planet are positioning themselves.

  • Bill Gates sees artificial intelligence as the “biggest technological advance in my lifetime,” more transformative than the internet or personal computer, capable of improving healthcare, education, and addressing climate change.
  • Larry Ellison — through Oracle, is spending billions on Nvidia chips and partnering with Cohere to embed generative AI across Oracle’s cloud and apps.
  • Warren Buffett — not known for tech hype — says this breakthrough could have a ‘hugely beneficial social impact.

When billionaires from Silicon Valley to Wall Street line up behind the same idea — you know it’s worth paying attention to.

Even as we admire what Tesla, Nvidia, Alphabet, and Microsoft have built, we believe an even greater opportunity lies elsewhere…

But the real story isn’t Nvidia — it’s a much smaller company quietly improving the critical technology that makes this entire revolution possible.

And judging by what I’m hearing from both Silicon Valley insiders and Wall Street veterans…

This prediction might not be bold at all:

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AI, Tariffs, Nuclear Power: One Undervalued Stock Connects ALL the Dots (Before It Explodes!)

Artificial intelligence is the greatest investment opportunity of our lifetime. The time to invest in groundbreaking AI is now, and this stock is a steal!

AI is eating the world—and the machines behind it are ravenous.

Each ChatGPT query, each model update, each robotic breakthrough consumes massive amounts of energy. In fact, AI is already pushing global power grids to the brink.

Wall Street is pouring hundreds of billions into artificial intelligence—training smarter chatbots, automating industries, and building the digital future. But there’s one urgent question few are asking:

Where will all of that energy come from?

AI is the most electricity-hungry technology ever invented. Each data center powering large language models like ChatGPT consumes as much energy as a small city. And it’s about to get worse.

Even Sam Altman, the founder of OpenAI, issued a stark warning:

“The future of AI depends on an energy breakthrough.”

Elon Musk was even more blunt:

“AI will run out of electricity by next year.”

As the world chases faster, smarter machines, a hidden crisis is emerging behind the scenes. Power grids are strained. Electricity prices are rising. Utilities are scrambling to expand capacity.

And that’s where the real opportunity lies…

One little-known company—almost entirely overlooked by most AI investors—could be the ultimate backdoor play. It’s not a chipmaker. It’s not a cloud platform. But it might be the most important AI stock in the US owns critical energy infrastructure assets positioned to feed the coming AI energy spike.

As demand from AI data centers explodes, this company is gearing up to profit from the most valuable commodity in the digital age: electricity.

The “Toll Booth” Operator of the AI Energy Boom

  • It owns critical nuclear energy infrastructure assets, positioning it at the heart of America’s next-generation power strategy.
  • It’s one of the only global companies capable of executing large-scale, complex EPC (engineering, procurement, and construction) projects across oil, gas, renewable fuels, and industrial infrastructure.
  • It plays a pivotal role in U.S. LNG exportation—a sector about to explode under President Trump’s renewed “America First” energy doctrine.

Trump has made it clear: Europe and U.S. allies must buy American LNG.

And our company sits in the toll booth—collecting fees on every drop exported.

But that’s not all…

As Trump’s proposed tariffs push American manufacturers to bring their operations back home, this company will be first in line to rebuild, retrofit, and reengineer those facilities.

AI. Energy. Tariffs. Onshoring. This One Company Ties It All Together.

While the world is distracted by flashy AI tickers, a few smart investors are quietly scooping up shares of the one company powering it all from behind the scenes.

AI needs energy. Energy needs infrastructure.

And infrastructure needs a builder with experience, scale, and execution.

This company has its finger in every pie—and Wall Street is just starting to notice.

Wall Street is noticing this company also because it is quietly riding all of these tailwinds—without the sky-high valuation.

While most energy and utility firms are buried under mountains of debt and coughing up hefty interest payments just to appease bondholders…

This company is completely debt-free.

In fact, it’s sitting on a war chest of cash—equal to nearly one-third of its entire market cap.

It also owns a huge equity stake in another red-hot AI play, giving investors indirect exposure to multiple AI growth engines without paying a premium.

And here’s what the smart money has started whispering…

The Hedge Fund Secret That’s Starting to Leak Out

This stock is so off-the-radar, so absurdly undervalued, that some of the most secretive hedge fund managers in the world have begun pitching it at closed-door investment summits.

They’re sharing it quietly, away from the cameras, to rooms full of ultra-wealthy clients.

Why? Because excluding cash and investments, this company is trading at less than 7 times earnings.

And that’s for a business tied to:

  • The AI infrastructure supercycle
  • The onshoring boom driven by Trump-era tariffs
  • A surge in U.S. LNG exports
  • And a unique footprint in nuclear energy—the future of clean, reliable power

You simply won’t find another AI and energy stock this cheap… with this much upside.

This isn’t a hype stock. It’s not riding on hope.

It’s delivering real cash flows, owns critical infrastructure, and holds stakes in other major growth stories.

This is your chance to get in before the rockets take off!

Disruption is the New Name of the Game: Let’s face it, complacency breeds stagnation.

AI is the ultimate disruptor, and it’s shaking the foundations of traditional industries.

The companies that embrace AI will thrive, while the dinosaurs clinging to outdated methods will be left in the dust.

As an investor, you want to be on the side of the winners, and AI is the winning ticket.

The Talent Pool is Overflowing: The world’s brightest minds are flocking to AI.

From computer scientists to mathematicians, the next generation of innovators is pouring its energy into this field.

This influx of talent guarantees a constant stream of groundbreaking ideas and rapid advancements.

By investing in AI, you’re essentially backing the future.

The future is powered by artificial intelligence, and the time to invest is NOW.

Don’t be a spectator in this technological revolution.

Dive into the AI gold rush and watch your portfolio soar alongside the brightest minds of our generation.

This isn’t just about making money – it’s about being part of the future.

So, buckle up and get ready for the ride of your investment life!

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Here’s what to do next:

1. Head over to our website and subscribe to our Premium Readership Newsletter for just $9.99.

2. Enjoy a month of ad-free browsing, exclusive access to our in-depth report on the Trump tariff and nuclear energy company as well as the revolutionary AI-robotics company, and the upcoming issues of our Premium Readership Newsletter.

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Don’t miss out on this incredible opportunity! Subscribe now and take control of your AI investment future!


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