Link in Bio
Investor Due Diligence Report
by Rachel Karten
substackMarketing
A newsletter about working in social media.
Investor Due Diligence Report
by Rachel Karten
A newsletter about working in social media.
106K
6.3K paid
-0.2%
+1.4%
net growth
Pricing
$8/mo
$80/yr annual option
$40K
6.3K paid subs
$28K/mo – $52K/mo(±30%)
5.0
37.5
0.04%
(comments + likes) / subscribers
Weekly
1.5 posts/week
69/100
Consistent (~4.9d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Because of Marketing | 62K | +3.7% | $6.99/mo | substack |
| LA FRAISE ™ | 52K | N/A | Free | substack |
| Content Strategy Mastery | 36K | N/A | $5/mo | substack |
| Chris Hutchins | 32K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Jan 2026 | 101.5K | $38,408.04 | — |
| Feb 2026 | 104K | $39,355.68 | +2.5% |
| Mar 2026 | 106.5K | $40,303.32 | +2.4% |
| Apr 2026 | 106K | $40,112.52 | ~0% |
Platform Dependency
Operates on custom domain (www.milkkarten.net)
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
106K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 4 similar-size peers in Marketing have paid tiers
Pricing position
$8/mo vs $10.77/mo category average (254 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Jan 2026 | $8 | $80 |
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 | 53/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Publishing Consistency | 68/100 | 10% |
| Full-Funnel B2B Marketing |
| 26K |
| N/A |
| Free |
| substack |
Revenue Model
Active paid subscription tier