How to
SCRAPING FIELD NOTES
Hands-on guides for developers: scraper design, anti-bot handling, proxies, scaling, and real code you can copy and run. Learn fast and build production-ready tools.
Practical guides for building reliable data products with web scraping APIs, structured data and automation.
- 01 API implementation walkthroughs
- 02 Source-specific scraping patterns
- 03 Data product case studies
How to
Build a Zillow price-drop monitor with Python, SQLite and an API
Build a beginner-friendly Zillow price-drop monitor in one Python file. Store first-page observations in SQLite, compare prices by ZPID and avoid duplicate alerts.
How to scrape Zillow listings into JSON with Python
Fetch Zillow sale listings through RapidAPI, validate the observed JSON contract, filter and deduplicate records by ZPID, then write a clean UTF-8 file with Python.
Build an Amazon scraper with Selenium and an isolated Chrome profile
Build a small Amazon.com search scraper with Python, Selenium, BeautifulSoup and Flask. The guide uses one file, an isolated Chrome profile, explicit waits and clear fixes for common setup errors.