Startups For the Rest of Us Episode 809 | What I Learned Diving into A.I. for 100 Days (with Craig Hewitt)
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Dec 2, 2025 
Craig Hewitt, founder of Castos and creator of the '100 Days of AI' YouTube series, shares insights from his deep dive into AI tools for SaaS founders. He reveals surprising takeaways, ranks Claude Code above ChatGPT for developers, and discusses how Manus automates complex tasks. Craig explains the reality of AI agents cutting customer support load in half and his strategies for building new products beyond Castos, including exciting AI experiments. His candid thoughts on motivation and the risks of growth add an engaging layer to the conversation.
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Ship One Automation Per Month
- Start automating with agent or automation platforms (n8n, Relevance, Make) to gain leverage.
- Implement one automation per month to compound efficiency gains over a year.
Cut Support Load With A Doc-Powered Agent
- Deploy an agentic support bot using your docs and a vector store to deflect tickets.
- Monitor logs and provide a visible escape hatch to human support to avoid frustrating customers.
Mid-Series Product Realization
- After 70 episodes Craig felt much of his AI tinkering was 'totally worthless' and refocused on building products.
- That pivot followed experiments like avatar and voice cloning that didn't yield sustainable value.