LetterDuck
Newsletters

26 newsletter ideas worth stealing

The test for every idea on this page: if it stopped arriving, who would notice?

The only newsletter ideas worth pursuing pass one test: if you stopped sending, someone would email to ask where it went. Naptown Scoop, a three-day-a-week local brief for Annapolis, Maryland, reached 17,000 subscribers and over $200,000 a year in ad revenue by the end of 2023 (Creator Spotlight's profile of founder Ryan Sneddon). Annapolis has about 40,000 residents (2020 census). That city would notice.

This page is the idea catalog: 26 concepts, grouped by who you are, each with the format that fits it and a real published example where one exists. The mechanics of launching live in our guide to starting a newsletter on your own domain, and the issue-level craft is in how to write a newsletter.

The differentiation test

Before picking from the list, answer two questions in writing. First: if this newsletter vanished, what would readers use instead? If the answer is "another newsletter, interchangeably," the idea is not done. Second: which of four things are you? An expert (you know something), a curator (you read everything), an operator (you run something), or a community builder (you gather people). Most failed newsletters die of borrowed identity, an operator writing curator issues because digests look easy. The strong newsletter topics all come from the writer's actual position, which is why the list below is grouped by position and not by industry.

Expert ideas: you know something most people don't

1. The one-concept teacher

Teach a single idea per issue with one worked real-world example. The format is a short essay, 500 to 800 words, same day every week. The reference: Why We Buy, Katelyn Bourgoin's Tuesday buyer-psychology letter, which reached roughly 63,000 subscribers and seven figures of 2024 revenue on exactly this format (per Growth In Reverse's teardown).

2. The daily column

Voice-driven commentary on your field's news, published daily. Matt Levine's Money Stuff at Bloomberg is the canonical example: thousands of words, one voice, arrives every weekday. Highest-effort idea on this page, and the format least survivable part-time. Start weekly.

3. The free-weekly, paid-daily brief

One substantial free article a week to grow the list, short paid updates the other days. Ben Thompson's Stratechery built the model that most paid analysis newsletters now copy. Works only when your daily takes are genuinely better than the trade press.

4. The niche translator

Explain a jargon-heavy industry in plain language, for insiders who want clarity and outsiders who want a way in. Alex Johnson's Fintech Takes does this for financial technology twice a week, with analogies doing the heavy lifting.

5. The how-I-work guide

Tactical walkthroughs of your own craft: templates, checklists, decision frameworks. Lenny Rachitsky's newsletter grew on exactly this for product and growth people. Format: one question or problem per issue, answered with artifacts the reader can copy.

6. The annotated reading

You read the dense primary sources (papers, filings, RFCs, court documents) and send the three paragraphs that matter with your annotations. Nobody unsubscribes from the person who reads the boring things for them.

7. The office-hours letter

Answer one subscriber question per issue, in depth, with the question quoted. Self-feeding by design: every issue invites the next question, and replies are the strongest engagement signal a mailbox provider can see.

8. The prediction ledger

Make dated calls about your field and keep a public scoreboard, including the misses. The scoreboard is the differentiator; commentary is everywhere, accountability is scarce.

Curator ideas: you read everything anyway

A handful of exceptional reads with a sentence or two of your judgment on each. The Browser, founded by Robert Cottrell, has sold subscriptions on five links a day for years. The taste is the product; the day you pad it with a sixth mediocre link, readers can tell.

10. The taste catalog

Slower, broader curation with a personal essay up top: tools, design, culture, one issue a week. Kai Brach's Dense Discovery is the reference, and its longevity shows the format retains readers who skip individual issues without churning.

11. Six short recommendations

Fixed count, tiny reviews, zero filler. Recomendo (Kevin Kelly, Mark Frauenfelder, Claudia Dawson) sends six one-paragraph recommendations every Sunday. The rigid format is the appeal: readers know the cost of opening it, about a minute.

12. The day's news through one voice

Pick what mattered today and say why in your own register. Dave Pell's NextDraft has done "the day's most fascinating news" this way for over a decade. Differentiates on personality, so it fails if you write it neutral.

13. The forum digest

Curate the best of a community you do not own. Hacker Newsletter, Kale Davis's weekly hand-picked digest of Hacker News, has run since 2010 on this model. Every large forum, subreddit, and Discord with no digest is an open slot.

14. The industry brief

Everything that happened in one niche this week, compressed to a five-minute read. Morning Brew proved the format for business news; the play now is the same brief for a market too small for a media company, which is precisely where a solo writer wins.

15. The archive resurfacer

Ignore the news entirely and surface old, timeless material: essays, letters, papers, forgotten books. Maria Popova's The Marginalian has spent two decades proving readers will subscribe to the past. Zero news-cycle pressure, which makes it the most sustainable curator format here.

Operator ideas: you run the thing

16. The build-in-public diary

What you shipped, what broke, what it taught you, weekly. Arvid Kahl's The Bootstrapped Founder goes out every Friday on this model. The candor is the moat: a competitor can copy your product, not your honest account of running it.

17. The metrics memo

Your real numbers on a schedule: revenue, churn, conversion, and one lesson per number. Publishing the figure you are slightly embarrassed by is what separates this from marketing.

18. The teardown letter

Dissect one artifact per issue: a landing page, a pricing page, a checkout flow, with annotations. Harry Dry's Marketing Examples grew a huge list on visual teardowns. Effort is front-loaded in the analysis, and the archive compounds into a reference readers cite back to you.

19. The customer mailbag

Answer real customer questions publicly, names removed. You already wrote these answers in your support inbox once; the newsletter is the second use. The best low-effort operator format, and it doubles as pre-sales.

20. The process letter

How the thing got made this week: the roast profile, the print run, the recipe test, the deploy that went sideways. Process is the one story a commodity business owns outright.

21. The changelog with a narrator

Release notes rewritten as a story: what changed, why, what it cost, what almost shipped instead. Most changelogs are lists nobody reads; a narrated one becomes the reason users stay current. We write our own product notes this way, which is partly why this list exists.

Community ideas: you gather people

22. The local brief

Your town, three mornings a week, written like a friend who knows everything happening. Naptown Scoop, from the top of this page, is the template: Sneddon reports a 65% open rate in that same profile, and while Apple's Mail Privacy Protection inflates that number for every sender, even discounted it signals a list that would riot if the mail stopped.

23. The scene report

Cover a subculture the mainstream press only parachutes into. Ryan Broderick's Garbage Day, started in 2019, turned internet-culture reporting into a three-day-a-week letter with over 100,000 subscribers (per Broderick's 2025 interview with Longlead). Substitute any scene you genuinely live in: modular synths, zine printing, competitive gardening.

24. The advice column

Readers send dilemmas; you answer one per issue with actual care. Heather Havrilesky's Ask Polly carried the newspaper advice column into email and proved the format's pull is intact. Requires a voice, not credentials.

25. The member spotlight

Interview one member of your community per issue, five questions, same five every time. The subjects share their issues, which grows the list; the archive becomes a directory of the scene. Near-zero writing burden, real scheduling burden.

26. The jobs-and-events board

Openings, gigs, meetups, and deadlines for one niche, reliably compiled. The least glamorous idea here and among the most defensible: utility newsletters get read on a schedule, and advertisers understand them instantly.

Four repeatable formats and their effort budgets

Most of the 26 concepts above run on one of four chassis. Budget honestly before committing; these are our planning budgets, not measurements, and your first three issues will run over.

FormatThe chassisBudget per issue
TeardownOne artifact, dissected with annotations3-5 hours
DiaryWhat happened, what it taught you1-2 hours
Digest5-10 curated items with judgment2-4 hours, and the reading hides here
Q&AOne question, answered in depth2-3 hours

The digest looks cheapest and rarely is, because the curation only works if you were reading widely anyway; the diary is genuinely cheap if the week supplies the material. Whichever chassis you pick, the subject line and preheader carry the issue into the open, so budget ten minutes for them every single time.

Pick one concept, run the differentiation test on it in writing, and choose the chassis you can sustain in the hours you really have. The right idea is the one still shipping in week six.