Episode 809 | What I Learned Diving into A.I. for 100 Days (with Craig Hewitt)

What are the can't-miss AI tools for SaaS founders? In this episode, Rob Walling sits down with Craig Hewitt, founder of Castos, to dive deep into Craig’s “100 Days of AI” YouTube series. They discuss the lessons learned from exploring the latest AI tools for founders, why ChatGPT might not be the best option for SaaS entrepreneurs, and which AI platforms are actually moving the needle. Rob and Craig also chat about the realities of AI agents, the challenges of building a second product after hitting a growth plateau, and Craig’s approach to evaluating new opportunities as he looks to expand beyond podcast hosting. Episode Sponsor: AI is transforming how people discover brands and Ahrefs is helping SaaS companies stay ahead. They’ve just launched Brand Radar, a new tool that lets you track your visibility in AI platforms like ChatGPT, Perplexity, and Google’s AI Overviews. See how you stack up against competitors, monitor reputation, and build authority across search, social, and AI. No more cobbling together tools. Ahrefs brings it all into one powerful SaaS marketing platform, backed by 15+ years of real-world web data and marketing-savvy AI. Topics we cover: (03:28) – 100 Days of AI YouTube series, biggest surprises and key takeaways (08:20) – Claude Code, ChatGPT, and Manus: Which AI tools work best for founders (13:00) – Practical AI workflows in content production and automation (18:35) – AI agent cuts customer support in half (21:27) – Burnout and breakthroughs from publishing 100 videos in 100 days (25:43) – Craig’s new AI projects and what’s next (30:14) – Three new product ideas under evaluation (33:09) – The pros, cons, and emotions behind launching a second product Links from the Show: MicroConf US 2026 - April 12-14, 2026 · Portland US TinySeed’s SaaS Institute Claude Code (by Anthropic) Manus Creator Hooks Cursor HelpScout DocsBot LinkBerry.ai – Craig’s new tool for LinkedIn content creation Castos Craig Hewitt | YouTube Craig Hewitt | LinkedIn Craig Hewitt (@TheCraigHewitt) | X If you have questions about starting or scaling a software business that you’d like for us to cover, please submit your question for an upcoming episode. We’d love to hear from you!