Monitor used-car listings and price changes
A user runs Claude Code scripts from cron to track local used-car listings, how long they stay up, and price changes. ·
Done withClaude Code
- What they did
- The user had Claude write scripts, then ran them from cron to watch used-car listings limited to their local area and price range. The scripts tracked how long listings stayed up and recorded price changes; for now, Claude only analyzes that collected data and points out what looks interesting, with the user planning to turn on alerts later when ready to buy.
- How it went
- It already gives the user analysis on listing patterns, and the intended next step is alerts for specific cars so they can jump on a deal. The post does not report a purchase, savings, or any performance numbers yet.
- Worth knowing
- The main catch is that this is not fully automated end-to-end yet: the user says it currently analyzes the data only, and alerts are planned for later.
Try it yourself with Claude Code
Write a script that checks used-car listings on [site] for [make/model, price range, zip code and radius] and saves results to [CSV or SQLite file]. Record each listing's first-seen date, price changes, and when it disappears. Then set it to run daily via cron, and show me the cron line before installing it. You're done when I can run a command that prints new listings, price drops, and how long listings stay up.
Want help getting this working? Join the Vibe Coding Academy ↗ Run by Alex Finn, who also runs this site.
Source: Reddit · Nov 7, 2026
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