Mr Salles Teaches English
Investor Due Diligence Report
substackEducation
The easiest and most rewarding ways to get top grades in GCSE English language and literature.
9K
630 paid
N/A
Pricing
$6/mo
$50/yr annual option
$3K
630 paid subs
$3K/mo – $3K/mo(±0%)
Previously ~2x per week
1.8 posts/week
38/100
Variable (~4.7d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| AlgoMaster Newsletter | 149K | +0.4% | $29/mo | substack |
| All About Psychology | 123K | +3.5% | $5/mo | substack |
| The Next Big Idea Club Book of the Day Newsletter | 90K | N/A | $10/mo | substack |
| System Design Classroom | 58K | N/A | $8/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 9K | $3,820.5 | — |
| Apr 2026 | 9K | $3,820.5 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Irregular publishing pattern
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
9K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 58 similar-size peers in Education have paid tiers
Pricing position
$6/mo vs $5/mo category median (489 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Apr 2026 | $6 | $50 |
| Mar 2026 | $7 | $50 |
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 |
|---|---|---|
| Paid Subscriber Ratio | 75/100 | 25% |
| Javarevisited Newsletter | 57K | N/A | $5/mo | substack |