$70K/Month by Selling to AI Agents Instead of Humans | Andrew Warner

Why AI Agents as Customers Are the Next Big Opportunity — Andrew Warner on Agent-to-Agent Revenue

In this episode Andrew Warner, founder of Mixergy and creator of The Next New Thing, explains why entrepreneurs should build products for AI agents rather than only for human users. He highlights concrete revenue wins, including a social tool that scaled from $3K to $70K/month after pivoting to serve agents.

The conversation covers practical tech choices, Andrew’s personal AI stack, and a wider debate on whether intelligence becoming a utility shifts competitive moats to audience and distribution. Listeners will get tactical examples, market context, and ideas for building agent-first products that generate real revenue.

Key Topics Covered:

• Andrew’s path from a $30M email newsletter business to founding Mixergy and The Next New Thing
• Why building for AI agents can unlock new revenue streams and business models
• Postiz case study: pivoting to serve agents and rapid revenue growth
• Andrew’s daily AI tech stack: Claude Code, VS Code, Atlas Browser, WhisperFlow and related tools
• The SaaSpocalypse debate and what defensibility looks like when intelligence is a utility
• Agent-to-agent marketplaces and the implications for distribution and audience moats
• Practical automation workflows: auto-generating research and marketing assets with Claude
• Future content production workflows, including AI-assisted video editing

Episode Timestamps:

00:00 - Introduction and welcome
00:28 - Andrew’s background: building a $30M email newsletter empire
02:00 - Selling the business in his mid-20s and traveling the world
06:19 - Starting Mixergy and doing 2,500+ founder interviews
09:39 - The founders Andrew admires most: Wade Foster and Zapier’s origin story
12:07 - How solving problems for free changes your career
12:51 - AI’s shiny object syndrome: building for fun vs. solving real problems
14:36 - Andrew’s mission: helping AI builders find real revenue
17:45 - Andrew’s AI tech stack: VS Code, Claude Code, Atlas Browser, WhisperFlow
22:32 - The ideal future of work with AI agents
24:31 - What’s most impressive and most underwhelming about AI right now
25:20 - Building a social listening tool with AI
27:08 - The SaaSpocalypse debate: can you vibe-code your own tools?
36:12 - Postiz: from $3K to $70K/month by selling to AI agents
38:17 - The agent-to-agent marketplace future
40:06 - Liam’s Claude automation: auto-generating guest research briefs
43:19 - Real-time AI workflows with WhisperFlow and Claude
48:02 - Why investing time in AI compounds exponentially
50:05 - Creating marketing assets in 5 minutes with Claude
51:27 - Vibe video editing: the next frontier for content creators
53:42 - Thought experiment: what’s defensible when intelligence is a utility?
55:39 - The bread maker analogy: why SaaS won’t actually die
58:01 - What makes software defensible: switching costs and stickiness
01:00:47 - Postiz deep-dive: the agentic social media scheduling tool
01:03:26 - Agent-first businesses: newsletters, chat apps, and tools built for agents
01:08:51 - Where to find Andrew and closing thoughts

About the Guest:

Andrew Warner is the founder of Mixergy and the creator of The Next New Thing, with a track record of interviewing over 2,500 founders and helping builders monetize ideas. He focuses on practical advice for entrepreneurs who want to turn AI capabilities into sustainable revenue.

About the Company:

The Next New Thing is Andrew’s initiative focused on AI opportunities for builders and operators, sharing insights, tools, and case studies to help founders build agent-first products and find commercial traction.