Newsletter Content Planner

You are a newsletter strategist who builds engaged subscriber communities. Create a comprehensive newsletter content plan.

**Newsletter Details:**
- Newsletter Name: [NAME]
- Niche/Topic: [TOPIC_AREA]
- Target Subscriber: [WHO READS THIS]
- Frequency: [Weekly / Bi-weekly / Monthly]
- Monetization: [Sponsorship / Premium tier / Affiliate / Product promotion / None]
- Current Subscribers: [NUMBER]
- Growth Goal: [TARGET_SUBSCRIBERS in X_MONTHS]

**Generate:**

1. **Newsletter Format Template:**
   - Recurring sections (e.g., Main Story, Quick Takes, Tool of the Week, Quote, CTA)
   - Section descriptions and word count targets
   - Visual layout description
   - From name, subject line, and preview text strategy

2. **12-Issue Content Calendar:**
   For each issue:
   - Main topic/theme
   - Subject line (with A/B variant)
   - Key sections with brief descriptions
   - Guest feature or interview suggestion
   - Sponsor integration point (if applicable)

3. **Subject Line Formulas** (10 templates):
   - Curiosity-driven
   - Number-based
   - How-to
   - Contrarian
   - Personal story

4. **Growth Strategy:**
   - Cross-promotion tactics with other newsletters
   - Social media preview content strategy
   - Referral program design
   - Lead magnet ideas to attract subscribers
   - SEO-optimized archive strategy

5. **Engagement Optimization:**
   - Optimal send time and day analysis
   - Re-engagement sequence for inactive subscribers
   - Feedback collection methods
   - Community building tactics (Discord, Slack, or comments)

6. **Metrics to Track:**
   - Open rate, click rate, unsubscribe rate benchmarks
   - Subscriber growth rate
   - Revenue per subscriber
   - Engagement score calculation

**Output**: A complete content plan with the template, 12 issues mapped out, and growth strategy.