What is a newsletter?

A newsletter is a recurring, opt-in email publication delivered on a regular schedule (daily, weekly, biweekly, or monthly) to subscribers who explicitly chose to receive it. Newsletters typically combine editorial content (essays, news, curation, interviews) with optional monetization layers (sponsorships, paid subscriptions, affiliate links, product offers).

The newsletter economy has exploded: according to Substack's 2024 transparency report, the platform paid creators over $300M in subscription revenue, with the top 10 newsletters earning $1M+ each. Beehiiv reported similar growth, with its top creators sending to lists of 500k+ subscribers.

How a newsletter works

A newsletter operationalizes around four pillars:

• List building — opt-in signup from website, lead magnets, social media
• Content cadence — fixed schedule (daily, weekly, etc.) builds expectation
• Editorial voice — distinctive perspective that earns return readership
• Monetization — sponsorships, paid tiers, products, affiliates, courses

Newsletter formats vary widely:

• News digest — curated headlines + commentary (Morning Brew, Axios)
• Long-form essay — single deep piece (Stratechery, Ben Thompson)
• Personal/build-in-public — founder stories (Lenny's Newsletter)
• How-to/tutorial — actionable lessons (James Clear's 3-2-1)
• Interview-led — conversations with guests (Lenny, Dan Shipper)

According to a 2024 Beehiiv creator survey, the median newsletter takes 6-12 months to reach 1,000 subscribers and 18-24 months to reach 10,000. Top creators consistently report that the first 1,000 subscribers are the hardest.

Newsletter open rates significantly exceed marketing email averages. Creator-driven newsletters typically achieve 40-60% open rates and 5-15% click rates, vs 20-30% / 2-5% for generic marketing email. The trust differential is the key driver.

Examples of newsletters in practice

Example 1: Morning Brew daily newsletter

Morning Brew sends a daily business news newsletter to 4M+ subscribers. Founded in 2015, the company sold to Insider Inc. for $75M+ in 2020. The model: free newsletter, monetized through native ad sponsorships at premium CPM rates.

Example 2: Stratechery (Ben Thompson)

Ben Thompson's Stratechery is a paid-subscription newsletter analyzing technology and business strategy. Estimated 2024 revenue: $6-10M annually from paid subscribers ($12/month). One of the highest-revenue solo newsletters in the world.

Example 3: Lenny's Newsletter

Product manager Lenny Rachitsky's newsletter grew to 1M+ subscribers and $5M+ ARR by 2024 through paid tiers, podcast monetization, and a community product. Lenny used a mix of free essays and gated paid content to drive conversion.

When to start a newsletter

Start a newsletter when:

• You have a distinctive perspective in a defined niche
• You can commit to a sustainable cadence (weekly minimum recommended)
• You want a compounding owned audience (vs platform-dependent social)
• You have content depth (newsletters need 100+ ideas; one-trick approaches plateau)
• You want to build a personal brand or thought leadership
• You can afford 6-18 months of growth before meaningful traction

When NOT to start a newsletter

• Inconsistent commitment — Sporadic newsletters churn subscribers fast
• No niche or angle — Generic newsletters lose to focused competitors
• Pure promotional intent — Newsletter audiences punish bait-and-switch monetization
• Already saturated focus — Some niches (general crypto, general AI news) are crowded

Newsletter vs related concepts

Newsletters and podcasts have similar economics — both build owned audiences with strong creator-subscriber relationships.

Common mistakes with newsletters

• Inconsistent cadence — Skipping weeks erodes engagement; commit before launching.
• Too long, too soon — Don't write 5,000-word essays at issue #5; build the habit first.
• No clear voice — Generic curation loses to focused perspective.
• Premature monetization — Paid tiers usually need 5,000-10,000 free subscribers first.
• No growth strategy — Quality alone doesn't grow newsletters; cross-promotion, recommendations, and referrals matter.

Frequently asked questions about newsletters

What is the difference between a newsletter and a broadcast email? A newsletter is a recurring opt-in email with editorial content sent on a fixed schedule. A broadcast email is any one-time send to a list segment, including but not limited to newsletter editions. All newsletter sends are broadcasts; not all broadcasts are newsletters.

How long does it take to grow a newsletter? Median: 6-12 months to 1,000 subscribers, 18-24 months to 10,000. Top creators with strong existing audiences (X following, podcast, etc.) can compress these timelines significantly. Cold-start newsletters often take 2-3 years to reach economic viability.

How do I implement a newsletter strategy? Pick a niche and angle. Choose a platform (Substack, Beehiiv, ConvertKit, Ghost). Commit to a weekly minimum cadence. Design a simple template. Write 12-20 issues before launching to build a content buffer. Cross-promote on social. Engage subscribers with replies and surveys.

What tools support newsletter publishing? Substack (free, takes 10% of paid subs), Beehiiv (creator-focused, lower fees), ConvertKit (creator workflow), Ghost (open-source, self-hosted), Mailchimp (broader marketing). Newsletter-specific platforms (Substack, Beehiiv) typically out-perform general ESPs for creator workflows.

How is a newsletter monetized? Sponsorships (most common, $20-$80 CPM for niche newsletters), paid subscriptions ($5-$30/month), affiliate links, product sales (courses, books, services), community access tiers. Top earners blend multiple revenue streams.

What's a typical newsletter open rate? Creator newsletters: 40-60% open rate, 5-15% click rate. Corporate newsletters: 20-30% / 2-5%. The differential reflects creator-subscriber trust strength.

How PostKit uses newsletters

PostKit publishes a weekly company newsletter from getpostkit.com sharing product updates, build-in-public metrics, and content marketing tips. Beyond the company newsletter, PostKit-generated social content is commonly repurposed by users into their own newsletters — a typical pattern is taking a week's LinkedIn essays from PostKit and adapting one as that week's newsletter feature. The repurposing multiplies content ROI.

Related glossary terms

• Broadcast email — Adjacent one-shot format
• Drip campaign — Automated email sequence
• Personal brand — Identity strategy that powers newsletters
• Thought leader — Identity outcome of consistent newsletter publishing
• Creator economy — Broader market context for newsletters

Sources

• Substack creator earnings
• Beehiiv newsletter benchmarks
• ConvertKit creator economy reports