Operating by John Brewton
Investor Due Diligence Report
substackBusiness
Weekly Reporting on the History & Future of Operating Companies.
5K
350 paid
N/A
Insufficient data
27 of 30 days needed
Pricing
$7.99/mo
$75/yr annual option
$2K
350 paid subs
$2K/mo – $2K/mo(±0%)
5.3
19.6
0.50%
(comments + likes) / subscribers
~2x per week
2.1 posts/week
53/100
Variable (~3.9d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Write • Build • Scale | 44K | N/A | $20/mo | substack |
| Shreyas Free Newsletter | 43K | N/A | Free | substack |
| Positioning with April Dunford | 40K | N/A | Free | substack |
| The Inside Man | 29K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 5K | $3,047.4 | — |
| Mar 2026 | 5K | $3,047.4 | ~0% |
| Apr 2026 | 5K | $3,047.4 | ~0% |
Platform Dependency
Uses substack platform
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
5K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 262 similar-size peers in Business have paid tiers
Pricing position
$7.99/mo vs $7/mo category median (1526 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $8 | $75 |
| Mar 2026 | $8 | $55 |
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 | 66/100 | 30% |
| Paid Subscriber Ratio | 75/100 | 25% |
| Publishing Consistency | 30/100 | 10% |
| Product Life |
| 27K |
| N/A |
| Free |
| substack |
Revenue Model
Active paid subscription tier