Newsletter Insights — independent newsletter & sponsorship data across 35K+ newsletters
Browse all →by Xaver Lehmann
Built two AI startups. Sold one for $60M. Now helping you scale without burning out.
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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 includedThe Honest Founder's metrics, benchmarks, and sponsor data in one document
1K
Below Median in Business
substack
Business
0.95%· ~10/post
(comments + likes) / subscribers
vs 0.00% category avg
WeeklyOn pause
Last published Apr 9, 2026
$24/mo
Category avg: $7/mo
1358
newsletters in Business
Below Median in Business
out of 1358 newslettersPublishing Frequency
Weekly
Inactive — last post 2 months ago
