The Harness: How I Rebuilt My Portfolio for 87 Cents in One Afternoon
My portfolio V1 was vibe-coded on Replit for $15 in 3 days. V2 got a full SEO and UI/UX audit, then Claude Code running DeepSeek V4 Pro fixed everything for 87 cents and 37 million tokens. The harness is the value, not the LLM.