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THE BUSINESS CASEBOOK

Understand the business,
then find your opportunity.

Who pays for it? How does it acquire customers? Starting from real products, understand demand, pricing models, and growth signals.

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EXPLORE CASES

Find a business worth studying

606 business cases

Prioritizing entries with research dossiers. Rankings are based on historical signals and do not represent opportunity quality; one product may have multiple metric records.

COMPARE THE BUSINESSES

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Top 6 cases on this page · Visit estimates

Only compares historical metrics on this page, not the entire market. Visit estimates do not equal paying users.

CASE / 565Online Marketing

lennysnewsletter.com

Lenny Rachitsky's paid Substack newsletter on product, growth and career advice; paying members get all posts, interviews, a private Slack and free annual subscriptions to software.

Audience
Product managers, founders and tech professionals
Pricing
subscription
Channel
SEO
Checkout referral estimate · 2026.094,018
CASE / 566Faith and Beliefs

creators.mixlr.com

The streamer login page of audio live-streaming platform Mixlr, where streamers sign in to go live and manage their channels.

Audience
Churches, radio stations and community streamers doing audio live streams (industry category: religion and faith)
Pricing
subscription
Channel
Other
Checkout referral estimate · 2026.093,989
CASE / 567Legal

7sage.com

Online LSAT prep platform offering self-study courses, live classes, one-on-one tutoring and law school admissions consulting.

Audience
Candidates preparing for the LSAT for US/Canadian law school admission
Pricing
subscription
Channel
SEO
Checkout referral estimate · 2026.093,989
CASE / 568Adult

djawaphoto.com

Showcase site for Korean photographer Djawa's digital photobooks, listing 242 books by model; each detail page links out to an external purchase page.

Audience
Photobook / adult-leaning photography fans in South Korea, the United States and Japan
Pricing
Pricing model unknown
Channel
SEO
Checkout referral estimate · 2026.093,934
CASE / 569Unknown

furusato-gourmet-terrace.com

Official site of "ふるさとグルメてらす" (Furusato Gourmet Terrace), a Tokyo regional food and sake festival; it posts event dates and venues, vendor recruitment and volunteer recruitment. In September it held the Sumida Autumn Sake Festival in Kinshi Park.

Audience
Local residents around Tokyo's Sumida Ward who want to visit a food festival and drink sake
Pricing
Pricing model unknown
Channel
Other
Checkout referral estimate · 2026.093,920
CASE / 570Unknown

start.innovatingwithai.com

The subscriber resource download entry point for the "Innovating with AI" newsletter; guides and toolkits are delivered through email links, and there is no browsable content on the site.

Audience
Subscribers of the Innovating with AI newsletter
Pricing
Pricing model unknown
Channel
Other
Checkout referral estimate · 2026.093,920
CASE / 571Unknown

verbatiminvestigations.com

Reporting site of UK investigative journalism team Verbatim, centered on a 37-minute undercover investigation video into Reform UK's foreign funding (with a text version and download); readers watch and read on the site and can donate.

Audience
UK readers following British politics, Reform UK and Nigel Farage
Pricing
donation
Channel
Social media
Checkout referral estimate · 2026.093,920
CASE / 572Unknown

masterkeyvip.com

VIP member portal for a Discord e-commerce community; users sign in with Discord authorization, their VIP status is verified, and a tool library is unlocked. The page does not say which tools are included.

Audience
Paying VIP members of the Discord community spycom; judging by the search term masterkey ecom, mainly e-commerce sellers
Pricing
Pricing model unknown
Channel
Social media
Checkout referral estimate · 2026.093,918
CASE / 573Business Services

ecomflow.com

Cross-border e-commerce 3PL fulfillment inside China: brands keep inventory in a China warehouse near their factory, and ecomflow packs and ships branded parcels to 100+ markets, with one dashboard for inventory and orders.

Audience
DTC brands that manufacture in China and sell overseas
Pricing
per item
Channel
Other
Checkout referral estimate · 2026.093,918
CASE / 574Arts and Entertainment

awwwards.com

A web design awards and inspiration platform: designers submit sites for judging (Site of the Day and more), and the platform showcases winning work, a designer directory, courses and a template marketplace.

Audience
Web designers, design studios and creative front-end developers
Pricing
one-time
Channel
SEO
Checkout referral estimate · 2026.093,906
CASE / 575Business Services

luxuryextras.online

A tool account-sharing membership for e-commerce: $29.95/month for one login to 37 paid tools (Claude, Perplexity, WinningHunter, Figma Pro and other ad research, product research and AI tools).

Audience
Individual dropshipping and independent-store sellers who want to save on separate subscriptions
Pricing
subscription
Channel
Social media
Checkout referral estimate · 2026.093,825
CASE / 576Graphics Multimedia and Web Design

60fps.design

A curated library of app motion and interaction details (2,110 shots, 494 apps), free to browse, with teams paying per seat to unlock more.

Audience
Product designers, motion designers and mobile/front-end engineers
Pricing
subscription
Channel
SEO
Checkout referral estimate · 2026.093,737