Investor Due Diligence Report
by Claudia Faith
The AI learning community. New expert, new skill, every single week. Watch them build live (every Thursday), ask your questions, and walk away with workflows that actually work. Home of the 1st AI Virtual Summit, 8 hours live on Substack, March 27.
200
6 paid
0%
Pricing
$75/mo
$720/yr annual option
$270
6 paid subs
$270/mo – $270/mo(±0%)
Weekly
0.8 posts/week
67/100
Consistent (~9.9d 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 |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 200 | $270 | — |
| Mar 2026 | 200 | $270 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
200 subscribers — below the 3K category median (based on 358 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
100% of 92 similar-size peers in AI have paid tiers
Pricing position
$75/mo vs $28.56/mo category average (608 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $75 | $720 |
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.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 50/100 | 30% |
| Paid Subscriber Ratio | 30/100 | 25% |
| Growth Consistency | 100/100 | 15% |
| Publishing Consistency | 30/100 | 10% |
| Dr Phil's Newsletter, Powered by DOMS™️ AI |
| 28K |
| N/A |
| $10/mo |
| substack |