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Built on rented land
Their business lives inside somebody else's platform. Some got rich. Some got de-listed overnight.
14 teardowns · $10M+Every teardownFortressesEasy to copy. Won anyway.Built on rented landNumbers straight from a filingDoesn't scale. On purpose.Still here after 15 yearsOne-time money
BatchService
Data
Bootstrapped to $35M on data, then rules changed
$35M
Stated · revenue at 2022 peak
Core demand tracks a market it can't control.
★ The edge: Investors themselves, they built cheap skip-tracing and lead tools other investors wanted, and undercut the incumbents.
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Tebex
Marketplace
Let game servers sell in-game perks — for a 5% cut.
$29M
Estimate · sale to Overwolf (2022)
⚠ Control Low
rides games it can't own
rides games it can't own
★ The edge: he lived the pain as a server kid, then became the default payment rail before rivals showed up.
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Clear (ClearTax)
SaaS
India made GST filing the law. Clear became the rails.
$25M
Stated · FY24 rev, +93% YoY
Govt's free portal can commoditize filing.
★ The edge: When a govt forces millions to file taxes digitally, whoever ships the easiest compliant rails becomes default plumbing.
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Intellicheck
SaaS
The law put a barcode on every ID. They read it.
$22.67M
Filed · FY2025 revenue (10-K)
Top 10 customers = 77% of revenue.
★ The edge: Reads the barcode on every North American license - including the ones that break the AAMVA standard.
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Retention.com
SaaS
Emails the visitor never gave you. $22M ARR.
$22M ARR
Estimate · ARR, founder-stated 2024
Banned under GDPR — US-only market.
★ The edge: US anti-spam law is opt-out, so it can email visitors it matched to real inboxes without their consent.
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Text Request
SaaS
Why can't you text a business? They fixed that.
$15M
Stated · ARR at exit (2024)
Built on Twilio; thin moat, crowded field.
★ The edge: Won a crowded texting market on focus and cost, from Chattanooga — then absorbed 20k orphaned Zipwhip customers.
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Optmyzr
SaaS
Google's ad evangelist quit, then built the PPC tool.
$14.6M
Estimate · est. ARR (Latka, 2023)
A layer on Google Ads; Google can absorb it.
★ The edge: Fred Vallaeys was Google's AdWords evangelist for a decade. He left, then sold pros better Google Ads tools.
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Lumel
SaaS
$12M ARR from planning apps that live inside Power BI.
$12M+ ARR
Stated · ARR run rate, self-funded
300 people for about $12M: thin per-head.
★ The edge: It builds EPM apps inside Power BI and Microsoft Fabric, so Microsoft's install base is its distribution.
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Bizness Apps
SaaS
DIY app builder for SMBs. Bootstrapped, sold $20M+.
$10M
Stated · ARR at 2018 exit
SMB-native-app demand later collapsed.
★ The edge: Raised just $100K, so a clean cap table let a PE firm buy 100% all-cash — no VCs to negotiate out.
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Chatbase
SaaS
Custom AI support agents from your own docs.
$10M
Stated · ARR, bootstrapped 2026
Commodity feature; clones and OpenAI compete.
★ The edge: Shipped "ChatGPT on your data" weeks after ChatGPT itself; $1M ARR in 117 days, zero ad spend, no VC.
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Comalatech
SaaS
Bootstrapped Confluence apps. Sold for mid-8 figures.
$10M/yr
Stated · annual rev., 2021 (TGA)
One platform's rules govern everything.
★ The edge: Three Confluence apps, 10,000+ installs, bootstrapped 17 years — Atlassian's marketplace handled distribution.
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Rocket.net
SaaS
Cloudflare Enterprise, bundled into a $30 WP plan.
Nearly $10 million/yr
Estimate · at 2025 sale; bootstrapped
Cloudflare owns the network it resells.
★ The edge: Ran product at a CDN company, then resold enterprise edge to WordPress users at self-serve prices.
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Cars & Bids
Marketplace
A car YouTuber turned 5M fans into an auction house.
$675M GMV
Estimate · cumulative, not revenue
Capped fee; the brand is one man.
★ The edge: Bring a Trailer owns pre-1990 classics; Cars & Bids won modern enthusiast cars via Doug's free 5M audience.
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Roll20
SaaS
Where 10 million play D&D without a table.
10M+
Stated · registered users
warn Control low
rides on D&D's IP
rides on D&D's IP
★ The edge: A $40K community Kickstarter turned into the default browser table for D&D — no install, just a link.
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