Vibe coding lessons of a newbie.

Vibe coding lessons of a newbie.

November 15, 2025 · 10 min · Season 2 · Episode 10

About this episode

Renjit Philip shares his 30-day experience with vibe coding to develop a financial planning tool, highlighting challenges and lessons learned.

This an excerpt from a newsletter by Renjit Philip detailing his 30-day experience using "vibe coding" —AI-powered development—to build a financial planning tool for startup founders. Philip, who identifies as a beginner coder, outlines the challenging journey from idea to minimum viable product (MVP) , including burning through $127 in Replit credits and encountering numerous technical errors in precision calculations. A key takeaway from his experience is the critical need for specific prompts and the discovery that founders preferred an AI financial "advisor" over another spreadsheet tool . Ultimately, the author shares a detailed scorecard, lessons learned, and principles for effective vibe coding , concluding that while it is excellent for rapid prototyping, complex financial features require a more traditional development approach.

People in this episode

Host: Renjit Philip

Mentioned in this episode

Organizations: Replit

Products: vibe coding, financial planning tool

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