GitHub - willylam2222-bot/priceprobe: Track competitor prices & stock — free, zero-dependency Python. Optional $19 packaged version for non-devs. · GitHub
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📡 PriceProbe
Track any competitor's prices & stock — free, self-hosted, zero dependencies.
Point it at competitor product URLs → get a clean report of every price drop, hike, and stockout.<br>No subscription. No API keys. No account. Pure Python standard library.
See it in action
Real output — competitor prices tracked, every change highlighted: ▲ price up, ▼ price down, ✓ restock.
Why
Most competitor-price tools charge $40–100/month to watch a handful of URLs. If you just want to<br>track a few competitors, that's overkill. PriceProbe is a tiny script you own and run yourself.
What it does
Fetches a list of competitor product pages (polite headers, gzip, retries, TLS-fallback)
Extracts price , title , and stock status with robust regexes
Diffs against the last run → flags ▲ price up / ▼ price down / ✕ out-of-stock / ✓ restock
Renders a clean, shareable HTML report
Quick start
git clone https://github.com/YOURNAME/priceprobe<br>cd priceprobe<br># edit targets.example.json → your competitor URLs, save as targets.json<br>python3 monitor.py<br>open report.html
No pip install. No config files. Runs anywhere Python 3.8+ runs.
Example
{"name": "Rival — Blue Hoodie", "url": "https://their-store.com/products/blue-hoodie"},<br>{"name": "Rival — Red Cap", "url": "https://their-store.com/products/red-cap"}
→ produces a report highlighting exactly what changed since yesterday.
Automate it
Schedule python3 monitor.py with cron (Mac/Linux) or Task Scheduler (Windows) to get a fresh<br>report every morning. Never miss a competitor's price move again.
No server? Run it free on GitHub. This repo ships a GitHub Actions workflow<br>that runs the tracker on a daily schedule and uploads the report as an artifact — fork it, drop in your<br>targets.json, and you get free scheduled monitoring with zero infrastructure.
🚀 Don't want to touch the terminal?
This free version is for developers comfortable running a script. If you're a store owner who<br>just wants it to work — a one-time $19 packaged version includes a double-click runner, a<br>step-by-step guide with screenshots, and email support:
→ Get PriceProbe (one-time $19, no subscription)
Same engine. You're paying for zero-setup convenience, not a monthly rental.
License
MIT — do whatever you want. If it saves you money, a ⭐ is appreciated.
Contributing
Site hides its price behind JavaScript? Open an issue with the URL and I'll add a matcher.<br>PRs for new extractors welcome.
About
Track competitor prices & stock — free, zero-dependency Python. Optional $19 packaged version for non-devs.
willyverse188.gumroad.com/l/ptzxo
Topics
python
ecommerce
web-scraping
price-tracker
price-monitoring
dropshipping
competitor-price-monitoring
Resources
Readme
License
MIT license
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