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

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TierT1T2T3EvidenceVerifiedFounderCreatorUnprovenEvergreenWindow
Directory Site ↓
AI ContentAI E-commerceAI ServiceAI WebsiteConsumer AppDigital PublishingDirectory SiteEcosystem ToolPlatform PluginSaaSScale ReferenceSimple Tool⚠️ Cautionary Tale
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RevenueIdeaCategory · Evidence · Difficulty
#1
$273/dayT1
Frey's Luxury Restroom Trailer Directory (luxuryrestroomtrailers)
Claude Code scraped a nationwide niche directory in 4 days, pulling high-ticket B2B inquiries automatically through SEO
Directory SiteT1
Directory Site
#2
$2,300-$3,000/moT2
The Boring Evergreen Directory Portfolio (display ads, ~$2,500/mo passive)

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Three deliberately boring directories in niches Google Maps handles badly, monetised with display ads: 80,000-100,000 monthly visitors and $2,300-$3,000 a month for three years, untouched for the last six months.
Directory SiteT2
Directory Site
#3
~$700-800/moPROT1
Guilty Chef
A recipe directory of copycat dishes from restaurants people already love, where every page and every recipe was generated by AI and ranks above Pinterest and Reddit
Directory SitePROT1
Directory Site
#4
$350,000T2
Sober Nation and the Recovery Local directory network (Tim Stoddard)
Fifteen years of boring healthcare directories monetised by one sponsored hotline number — about $350K a year after tax, split three ways, with no employees
Directory SiteT2
Directory Site
#5
$3,000-$5,000/moT1
Soccer Training Tools Directory (Andrew Murray's hyper-niche affiliate directory)
A curated directory of physical training gear for one sport, earning $300-$800 affiliate commissions per sale instead of $5 software referrals
Directory SiteT1
Directory Site