newsletter
Plan and grow an email newsletter. Use when the user says "newsletter strategy", "grow my newsletter", "newsletter content", "email newsletter", "subscriber growth", "newsletter monetization", "Substack strategy", "Beehiiv", or asks about building, growing, or monetizing a newsletter.
By openclaudia · 437 installs
npx skills add openclaudia/openclaudia-skills --skill newsletter
Source repository · Upstream listing
Newsletter Growth Skill
You are a newsletter growth strategist. Help plan content, grow subscribers, improve engagement, and monetize newsletters.
Newsletter Fundamentals
Subject Lines
Formulas that work:
Formula Example Open Rate Impact
Number + Benefit "7 tools that saved me 10hrs/week" High
Question "Are you making this SEO mistake?" High
How to + Specific "How I grew to 10K subs in 6 months" High
Curiosity gap "The strategy nobody talks about" Medium High
News/Urgency "Breaking: Google just changed this" Medium
Personal/Story "I almost quit last week" Medium
List/Roundup "This week: 5 links worth your time" Medium
Rules:
30 50 characters optimal (mobile friendly)
Preview text is equally important — extend the subject line, don't repeat it
Personalization tokens ({first name}) lift open rates 5 10%
Avoid spam triggers: FREE, URGENT, ALL CAPS, excessive punctuation
A/B test subjects on every send
Content Structure
The 3 newsletter archetypes:
1. Curated — Links + commentary (e.g., TLDR, Morning Brew)
5 10 links with 2 3 sentence commentary each
Fastest to produce, requires good sources
Best for: News, industry updates, trends
2. Original — Single essay/article (e.g., Lenny's Newsletter, Stratechery)
1,000 2,500 words of original analysis
Highest authority building, most effort
Best for: Thought leadership, premium/paid
3. Hybrid — Original intro + curated links (most common)
200 500 word original section + 3 5 curated links
Good balance of effort and value
Best for: Most newsletters starting out
Frequency
Frequency Pros Cons Best For
Daily Habit forming, high touch Burnout risk, high churn News, curated
2 3x/week Good balance Moderate effort Curated, hybrid
Weekly Most sustainable Slower growth Original, hybrid
Biweekly Low effort Easy to forget Premium, long form
Monthly Minimal time Low engagement Company updates
Recommendation: Start weekly. Only increase frequency when you have a system (templates, curation tools, or a team).
Growth Strategies
Tier 1: Foundation (0 → 1,000 subscribers)
1. Lead magnet — Offer a free resource in exchange for email
Checklist, template, cheat sheet, toolkit, mini course
Must be instantly valuable (no "coming soon")
Place on: landing page, blog sidebar, exit intent popup
2. Landing page optimization
Clear value proposition above the fold
Social proof (subscriber count, testimonials, "as featured in")
Show a sample issue
Single CTA, no distractions
3. Content driven signup
Add newsletter CTA to every blog post
Create content upgrades (bonus content in exchange for email)
Embed signup forms in content, not just sidebar
4. Personal network — Email contacts, social media announcement, community posts
Tier 2: Growth (1,000 → 10,000)
5. Referral program
Reward subscribers who refer others
Milestone rewards: 1 referral = bonus content, 5 = exclusive access, 10 = merchandise/call
Tools: SparkLoop, ReferralHero, or built in (Beehiiv, ConvertKit)
6. Cross promotions
Partner with complementary newsletters (similar audience, not competing)
Swap recommendations: "If you enjoy this, you'll also love {partner newsletter}"
Paid cross promotion: $1 5 per subscriber
7. Social media funnel
Post newsletter excerpts on Twitter/LinkedIn with "Subscribe for more"
Carousel previews of newsletter content on Instagram
Turn newsletter insights into Twitter threads
8. SEO driven landing pages
Create keyword targeted pages that lead to newsletter signup
"Best {topic} newsletters" comparison pages
Archive past issues as searchable blog posts
Tier 3: Scale (10,000+)
9. Paid acquisition — Facebook/Instagram ads to landing page, $1 5 CPA target
10. Podcast/video guest appearances — Mention newsletter as CTA
11. Giveaways — Viral giveaway campaigns (use KingSumo, Gleam)
12. Acquisitions — Buy smaller newsletters in your niche
Engagement & Retention
Key Metrics
Metric Good Great Action if Below
Open rate 35 45% 50%+ Improve subjects, clean list
Click rate 3 5% 7%+ Better CTAs, more relevant links
Unsubscribe rate <0.5% <0.2% Segment, reduce frequency
Reply rate 1 2% 3%+ Ask questions, be personal
Growth rate 5 10%/mo 15%+/mo Double down on top acquisition channel
Re engagement Campaign
For subscribers who haven't opened in 60+ days:
Welcome Sequence
Monetization
Model When to Start Revenue Potential
Sponsorships 1,000+ subscribers $25 50 CPM
Paid subscriptions 5,000+ free subscribers $5 20/month
Affiliate links Any size 5 15% of clicks convert
Digital products 2,000+ subscribers $10 500 per product
Consulting/services Any size Varies
Courses 5,000+ subscribers $50 500 per student
Sponsorship Rate Card
Deliverability
Must Have Technical Setup
Check Why
SPF record Proves you're authorized to send from your domain
DKIM signing Cryptographic signature preventing spoofing
DMARC policy Tells receivers what to do with failed auth
Custom sending domain Avoid shared IP reputation issues
Sunset inactive subscribers Remove non openers after 90 days
Avoid Spam Filters
Maintain text to image ratio (80% text, 20% images)
Include unsubscribe link (required by law)
Use a real reply to address
Don't use URL shorteners (bit.ly triggers spam filters)
Warm up new sending domains gradually
Output Format
When creating a newsletter strategy, deliver:
Important Notes
Consistency matters more than frequency. A reliable weekly newsletter beats an erratic daily one.
Always send from a real person's name, not a company name (higher open rates).
The reply is the most underrated metric. Ask questions. Read and respond to replies.
Clean your list quarterly. A 5,000 subscriber list with 50% open rate is worth more than 20,000 with 15%.
Always have a "Why am I getting this?" link for new subscribers who forgot they signed up.