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Startup ideas with revenue receipts, reverse-engineered from founder interviews.

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12 of 406 ideas

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TierT1T2T3EvidenceVerifiedFounderCreatorUnprovenEvergreenWindow
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AI ContentAI E-commerceAI ServiceAI WebsiteConsumer AppDigital PublishingDirectory SiteEcosystem ToolPlatform PluginSaaSScale ReferenceSimple Tool⚠️ Cautionary Tale
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RevenueIdeaCategory · Evidence · Difficulty
#1
4x patient gro…T3
Legion Health
An AI-native psychiatry care network that 4x'd its patients without adding a single person
⚠️ Cautionary TaleT3
⚠️ Cautionary Tale
#2
$15MT3
Acquisition.io → Agentic Growth Firm (Serge Gatari)
A $7M-a-year growth consultancy being rebuilt as a one-person operation, where every job function becomes a playbook owned by an AI employee that reads from one shared context layer

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AI ServiceT3
AI Service
#3
$1MT3
Clarvo
An AI power dialer sold at $250/seat/month to call-heavy mid-market companies — 100-seat deals mean $300K ARR from a single customer
SaaST3
SaaS
#4
—PROT3
First Mover in an Emerging Shopify Market (Porto, Portugal)
Eighteen months ago Portugal had about three Shopify Plus brands and no Shopify staff covering the country. One agency lobbied the platform to staff it, became the local Plus partner, and now runs 32+ Plus accounts as the market grew towards forty.
Ecosystem ToolPROT3
Ecosystem Tool
#5
~$400K/moPROT3
Leftclick (AI automation agency) — and its founder's case for why the skill is expiring
The operator of a $400K/month automation agency explains, with his own P&L on the table, why the technical skill it runs on is about to be worth nothing — and what replaces it.
⚠️ Cautionary TalePROT3
⚠️ Cautionary Tale
#6
$12PROT3
Dual RTX 5090 AI rental rig on OctaSpace
An $8,500 GPU rig rented out to strangers for AI workloads at $0.50/hour — $12 a day, ~$365 a month, and a payback period of two to four years paid in a volatile token
⚠️ Cautionary TalePROT3
⚠️ Cautionary Tale
#7
~$8,000/moPROT3
Yorbie — Viral Content Database + Remixer (and the churn that followed the peak)
He quit big tech in October, built with zero revenue for two months, peaked at $8K/month by March — then watched it slide to $6.7K on churn and went back into a deep build phase.
⚠️ Cautionary TalePROT3
⚠️ Cautionary Tale
#8
~$300KPROT3
Botkeeper
Ten years and $100M+ building AI bookkeeping for accounting firms, three weeks from profitability — then eight clients cancelled their expansions in the same quarter, took a third of the revenue with them, and the company had to announce its own shutdown before an acquisition rescued it
US⚠️ Cautionary TalePROT3
US⚠️ Cautionary Tale
#9
~$10–15MT3
Gather AI
Off-the-shelf cameras on drones and forklifts turn a warehouse into a live inventory map — sold as an outcome, not hardware, at ~$500K a year per customer
USScale ReferenceT3
USScale Reference
#10
—PROT3
Legora
An AI workspace for lawyers built by founders with no legal background — a document-by-query review grid plus a Word add-in that runs a firm's negotiation playbook against a contract and marks it up
SEScale ReferencePROT3
SEScale Reference
#11
—T3
Postscript — three years of humans in a Phoenix office, then the AI agent
Before shipping an AI selling agent, they ran a staffed e-commerce sales floor in Arizona where people conversationally sold for brands by hand — millions of real conversations that became the training set no competitor can buy
USSaaST3
USSaaS
#12
$22M+T3
Sanas
Real-time speech-to-speech accent harmonisation — a $20M check written before there was a product or a dollar of revenue, then $22M+ of revenue in the 18 months after launch
USScale ReferenceT3
USScale Reference