Amphetamine Sulphate
Investor Due Diligence Report
substackMedia
New writing by Philip Best, publisher at Amphetamine Sulphate.
2K
N/A
Unknown
0.0 posts/week
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Big Think | 510K | +1.1% | $15/mo | substack |
| Raw America | 280K | +0.7% | $8/mo | substack |
| The Economist: Off the Charts | 200K | N/A | $9/mo | substack |
| The official Ryan McBeth Substack | 124K | -0.4% | $5/mo | substack |
| Died Suddenly's Substack | 107K | N/A |
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Pre-monetization — no paid subscription tier
Subscriber threshold
2K subscribers — below the 3K category median (based on 302 newsletters)
Has paid tier
No paid subscription tier yet
Peer monetization
67% of 166 similar-size peers in Media 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.
| $5/mo |
| substack |