The Oshikatsu Stack
Japan turned organized fandom into a $24.6 billion structured economy. Western fans spend just as hard with zero infrastructure to show for it.
$100K + MRR
High-growth, venture-scale startup opportunities surpassing $100K in monthly revenue. Targeted at ambitious founders building category-leading products.
Couch-to-5K for Cash: Build the Side Hustle OS
The median side hustler earns $200 a month. The average earns $885. That execution gap is a SaaS product waiting to be built.
Incident OS For Hotels
Panic button mandates are spreading fast but every vendor stops at the alert. The post-incident execution layer is wide open.
Comfort API
Wearable sleep data is automation-grade accurate. Smart thermostats are everywhere and underutilized. The vendor-neutral layer connecting them is wide open.
Beyond Billo: Own the Trade School for Performance UGC
Brands spend $10 billion annually on UGC creators but can't find talent that ships reliably. Build the apprenticeship infrastructure they're desperate for.
Ultrasonic Tools Heist
Seattle Ultrasonics solved consumer ultrasonic packaging. The next category isn't kitchen knives—it's mundane cleaning tools starting with grout.
Google and Shopify Just Created a $385B SEO Problem
Google and Shopify shipped the Universal Commerce Protocol in January 2026. Merchants have zero visibility into whether AI agents can see or recommend their products.
The Memory Layer ($20K MRR/Client)
Fortune 500s lose $31B yearly to organizational amnesia while RAG implementations fail on governance gaps. Build the governed event graph of decisions and incidents that becomes required infrastructure.
The AI-Native Law Firm: Follow YC's Service-as-Software Bet
Traditional law firms bill by the hour. AI-native providers charge flat fees and deliver same-day. The economics just inverted.
Reddit's 51% Bot Problem Is a $9.6B Opportunity
Reddit retired its front page because bot manipulation made it unmanageable. The credibility layer sitting on top is a three-tier subscription business.
The Shadow-Health Router
Async telehealth infrastructure is mature, Hims proved privacy-seeking behavior converts at scale, but episodic stigmatized symptoms remain fragmented and underserved.
Digital Protective Services for Kids: $500M Heist Hiding in Plain Sight
Organized abuse networks operate on mainstream platforms. Parents pay monitoring prices for crisis-level threats. The arbitrage between surveillance software and protective services is structural.
The Glitch Box
Pop Mart printed $1.8B selling blind-box uncertainty. Subscription boxes churn at 70% annually. The ones that survive turn surprise into ritual backed by trust.
The Anti-Tinder Arbitrage
Dating apps are losing 600K users while IRL events surge 42 percent. The infrastructure layer underneath this shift doesn't exist yet.
The Suburban Sim-Room Club
Off-course golf now exceeds on-course participation while home simulators proliferate in suburbs. The membership access layer doesn't exist yet.
VR Concierge for Senior Living at $5K/Month
VR penetration in senior living is under 5% despite NIH validation. The gap isn't tech—it's operational complexity. Build the infrastructure layer.
The Niche Community Architect
Communities control purchasing decisions but lack infrastructure to monetize trust. The payment rails for systematic brand-community commerce don't exist yet.
ChatGPT Ads Created a Category. Here's How to Own It.
OpenAI's ad rollout proves commercial incentives now influence AI outputs. Organizations need provable governance—ChatGPT's controversy is your distribution wedge into B2B infrastructure.
The Water Profile Opportunity
Third Wave Water proved coffee profiles work at $1M revenue. Tea, baking, recovery, and ritual hydration? Unclaimed.
The Post-Ozempic Void: Selling Replacement Dopamine to 30M GLP-1 Users
GLP-1 medications eliminated food cravings for 30 million Americans, freeing up cash and time. Nobody's monetizing the dopamine void yet.
Life Alert for Millennials
A Chinese app proved millions will pay for daily proof-of-life. The U.S. market is 40 million households and wide open.
The Pre-Visit Brief: ChatGPT Health Just Validated a $23B Format Nobody Owns
OpenAI spent two years validating patient demand for visit prep, then shipped with a disclaimer. The format gap is your opening.
The $10M Play: Turn Cowork Into Vertical AI Staffing
Anthropic's Cowork proves AI can execute real work. First movers will own specific job roles in unsexy industries—$1.8M ARR in 18 months.
Vertical Search Optimization (VSO)
Gen Z searches on TikTok. Marketing budgets haven't moved. Build the rank tracking and agency services for the non-Google search layer.