Investor Due Diligence Report
Practical writing on building, testing, and operating AI systems, workflows, and automation, based on my projects and experiments. Subscribe to get ideas you can reuse in your own work.
4K
0%
0.5
9.0
0.24%
(comments + likes) / subscribers
Weekly
1.8 posts/week
68/100
Consistent (~5.3d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| MarTech AI | 48K | N/A | $15/mo | substack |
| Lex Fridman | 33K | +1.7% | $5/mo | substack |
| The Prompt: Insights from OpenAI Global Affairs | 31K | N/A | Free | substack |
| AI Weirdness | 29K | N/A | Free | substack |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
4K subscribers — above the 3K category median for first paid tier
Has paid tier
No paid subscription tier yet
Peer monetization
100% of 200 similar-size peers in AI have paid tiers
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 50/100 | 30% |
| Publishing Consistency | 42/100 | 10% |
| Dr Phil's Newsletter, Powered by DOMS™️ AI |
| 28K |
| N/A |
| $10/mo |
| substack |
Revenue Model
Pre-monetization — no paid subscription tier