The Compounding Tortoise
Investor Due Diligence Report
substackEducation
Sharing in-depth reports on high-quality compounders | Teaching our subscribers how to build a portfolio with high returns and low risk.
4K
120 paid
N/A
Pricing
$39/mo
$299/yr annual option
$3K
120 paid subs
$3K/mo – $3K/mo(±0%)
13.5
0.34%
(comments + likes) / subscribers
~2x per week
2.0 posts/week
65/100
Consistent (~4.7d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| AlgoMaster Newsletter | 141K | +0.4% | $29/mo | substack |
| Uncharted Territories | 124K | +0.4% | $10/mo | substack |
| All About Psychology | 104K | +1.1% | $5/mo | substack |
| The Shit No One Tells You About Writing | 84K | N/A | $10/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 4K | $3,147.3 | — |
Revenue tracking starts with your first month of data. More data points will appear as snapshots accumulate.
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
4K subscribers — above the 1K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 108 similar-size peers in Education have paid tiers
Pricing position
$39/mo vs $5/mo category median (493 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $39 | $299 |
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 | 51/100 | 30% |
| Paid Subscriber Ratio | 30/100 | 25% |
| Publishing Consistency | 38/100 | 10% |
| 3Blue1Brown mailing list | 69K | +2.3% | Free | substack |