How I Built an AI Competitor Intelligence Tool in a Weekend (and Started Charging $29/Month)

How I Built an AI Competitor Intelligence Tool in a Weekend (and Started Charging $29/Month) I'm a solo developer. I built a competitor monitoring tool called BusinessPulse in about two weekends. It's currently at $29/month, and I want to walk through exactly how I built it — tech stack, architecture decisions, and the mistakes I made along the way. This isn't a "how to get rich" post. It's a technical walkthrough of building a real product that does something actually useful: it reads your competitors' websites every week and tells you — in plain English — what changed. The Problem Worth Solving Competitive monitoring is genuinely painful. If you're a small SaaS or indie founder, you're probably doing one of these: Manually checking competitor sites — every Monday, opening 5–10 tabs, trying to remember what was different last week Paying $200–$500/month for enterprise tools like Crayon or Klue that are overkill for a 3-person team Ignoring it entirely — and occasionally getting blinds