A three-phase pipeline that catalogs 716 US counties from Beacon/Schneider Corp, classifies each portal's site architecture, and downloads month-by-month sales CSVs going back to 1970. Runs headed Chromium in a virtual framebuffer (xvfb) to bypass anti-bot measures, supports up to 30 parallel browser tabs, auto-splits date ranges at the 500-record cap, and includes checkpoint/resume for interrupted runs with a live terminal dashboard.