Newsletter Insights — independent newsletter & sponsorship data across 41K+ newsletters
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by Doug OLaughlin
Let's learn more about the world's most important manufactured product. Meaningful insight, timely analysis, and an occasional investment idea.
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedFabricated Knowledge's metrics, benchmarks, and sponsor data in one document
94K
Top 10% in Business
substack
Business
~32/post
avg comments + likes (0.03% rate)
Above category average
MonthlyOn pause
Last published Aug 13, 2026
$50/mo
Category avg: $5/mo
767
newsletters in Business
Top 10% in Business
out of 767 newslettersPublishing Frequency
Monthly
Inactive — last post 2 months ago