Entrepreneurship & SaaS

Overview

The most voluminous domain in the source vault (213 idea notes + 50 entrepreneur notes + marketing notes). Covers the full journey from ideation through product building, customer acquisition, and monetisation — with a focus on solo and small-team founders.


Core Areas

SaaS Business Models

  • SaaS fundamentals — recurring revenue, churn, LTV/CAC, MRR/ARR
  • Pricing models: per-seat, usage-based, freemium, tiered plans
  • Marketplace vs tool vs platform distinctions
  • API-as-a-product (monetising data access)
  • Vertical SaaS vs horizontal SaaS trade-offs

Ideation & Validation

  • Problem-first vs technology-first ideation
  • The “remove 4 useless things” heuristic (see remove 4 useless things.md)
  • Market validation: customer interviews, landing page tests, waitlists
  • Idea scoring: problem severity × market size × founder fit
  • Domain areas generating ideas: finance, AI tools, trading, developer tools

Side Projects & Bootstrapping

  • Documented active projects: TradeInsight.info, Powerball, Alpaca Markets + AWS Lambda automation
  • Privacy-first product design considerations
  • Solo founder operating model: ruthless prioritisation, async-first
  • Revenue milestones before quitting day job

Product Strategy

  • Jobs-to-be-done (JTBD) framework
  • Feature vs workflow products
  • Build vs buy decisions for core vs context
  • Smile Curve Theory — value concentrates at design and after-sales ends of supply chain (see Smile Curve Theory 微笑曲线.md)
  • Christian business values integration (see Build a Successful Business on a Foundation of Christian Values.md)

Growth & Marketing

  • Content-led growth: blog, YouTube, SEO
  • Community building as distribution
  • B2B outbound: cold email, LinkedIn, founder-led sales
  • Referral mechanics and viral loops

AI-Enhanced Building

  • LLM integration in SaaS products
  • AI agents for automation (Claude Code, OpenAI API)
  • Prompt engineering as a product layer
  • Competitive moats in the AI era: data, distribution, trust

Relationships