Amazon Competitor Monitoring Bot

I need a small, reliable bot that runs directly in Chrome—preferably built with UI.Vision macros—to track my competitors on all Amazon EU marketplaces for the 20 dietary-supplement ASINs in my catalogue... (Budget: $30 - $250 USD, Jobs: Automation, Competitor Analysis, Data Analysis, Data Collection, Excel, Google Sheets, Python, Visual Basic, Web Scraping)