Zoe Lea

Investor Due Diligence Report

substackCulture

Trad-published thriller author going indie, sharing the honest, messy process of writing, self-publishing, and finding readers. For writers who love the craft but hate the hustle.

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Key Metrics

Subscribers

70 paid

Verified

Weekly Growth

N/A

Revenue Analysis

Pricing

$6/mo

$65/yr annual option

Est. Monthly Revenue

$352

70 paid subs

$352/mo – $352/mo(±0%)

Engagement

Avg Comments/Post

20.7

Avg Likes/Post

82.0

Engagement Rate

10.27%

(comments + likes) / subscribers

Quality & Publishing

Audience Quality Score

83Good

0100

Publishing Pace

Previously Weekly

0.8 posts/week

Publishing Consistency

59/100

Variable (~8.7d avg)

Competitive Landscape (Culture)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Museletters	39K	N/A	$5/mo	substack
Lexicon Valley	34K	N/A	Free	substack
Dust-to-Digital	27K	N/A	$6/mo	substack
The House of Beasts & Vines	23K	N/A	$7/mo	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Mar 2026	1K	$503.25	—
Apr 2026	1K	$503.25	~0%

Risk Assessment

Key risk factors for due diligence

High

Platform Dependency

Hosted on substack subdomain

Medium

Publishing Consistency

Variable publishing frequency

Medium

Key Person

Single-author publication — key-person dependency

Low

Revenue Model

Active paid subscription tier

Monetization Readiness

Monetization status

Subscriber threshold

1K subscribers — below the 2K category median (based on 1950 newsletters)

Has paid tier

Active paid subscription offering

Peer monetization

100% of 929 similar-size peers in Culture have paid tiers

Pricing position

$6/mo vs $5/mo category median (3612 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$6	$65

Data Quality

Report Data QualityFull - All metrics available

Subscriber Confidenceverified

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
Engagement Rate	89/100	30%
Paid Subscriber Ratio	75/100	25%