Zero Retries
Investor Due Diligence Report
Zero Retries is an independent newsletter promoting technological innovation in and adjacent to Amateur Radio, and Amateur Radio as (literally) a license to experiment with and learn about radio tech.
3.5K
0%
Pricing
$5/mo
$50/yr annual option
$2K
~350 est. paid subs
$773/mo – $2K/mo(±50%)
Weekly
1.2 posts/week
85/100
Very Consistent (~7.0d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Intrinsic Perspective | 70K | +0.7% | $7/mo | substack |
| Hidden Brain | 66K | +0.8% | Free | substack |
| Starts With A Bang | 62K | N/A | Free | substack |
| The Roots of Progress | 58K | N/A | $10/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 3.5K | $1,545.83 | — |
| Mar 2026 | 3.5K | $1,545.83 | ~0% |
| Apr 2026 | 3.5K | $1,545.83 | ~0% |
| May 2026 | 3.5K | $1,545.83 | ~0% |
Platform Dependency
Uses ghost platform
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
3.5K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 103 similar-size peers in Science have paid tiers
Pricing position
$5/mo vs $5/mo category median (284 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $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.
| Component | Score | Weight |
|---|---|---|
| Growth Consistency | 100/100 | 15% |
| Publishing Consistency | 65/100 | 10% |
| Unsettled Science |
| 53K |
| N/A |
| $5/mo |
| substack |