AI.

Honest cost breakdown of building sales intelligence in-house vs buying. Scraping infra, LLM APIs, classifier engineering, enrichment, maintenance — actual numbers.

HackerNews monitoring with the Algolia API, a cron, and an optional LLM filter. The full setup costs nothing and replaces the $5K SDR tool you almost bought.

Ten extractable signals separate a buyer post from a vent post on Reddit. Here's how we score each one, the thresholds, and the false-positive traps.

We built Shadow Inbox with OpenClaw, an AI agent factory. Here's the agent role split, the 1-week MVP, the surprises, and what we'd do differently.

AI reply generators face a dilemma: fast and cheap is templated-with-extra-steps, slow and personalized is barely better. The third mode no one is building.

Classifying buying intent with LLMs is mostly about evidence quotation, temperature pinning, and not asking the model dumb questions. Here's what worked for us.