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Necessary Salt by Joy Sullivan's metrics, benchmarks, and sponsor data in one document
22K
Top 10% in Culture
substack
Culture
~14/post
avg comments + likes (0.06% rate)
Above category average
~2x per week
2.0 posts/week avg
vs 1.0/week category avg
$5/mo
Category avg: $5/mo
3213
newsletters in Culture
Top 10% in Culture
out of 3213 newslettersPublishing Frequency
~2x per week
Last published Mar 18, 2026
2.0 posts/week avg