How to Monitor 100 Competitor Pricing Pages with Weekly Automated Screenshots

Say you're consulting for a business. You want to show up every Monday with a slide deck that says: "Your competitor was charging $149 for this two weeks ago. Now they're charging $199." That's a powerful conversation. But capturing 100 screenshots manually every week? That's a full day of miserable browser work. Here's how to automate it in under 40 lines of Node.js — no Puppeteer, no headless browser config, no Chrome version drama. The Problem with Manual Screenshot Monitoring The obvious approach: write a Puppeteer script, loop through URLs, save screenshots. You've done this before. You know how it goes: Chrome crashes at screenshot #47 with "Page crashed!" networkidle2 sometimes works, sometimes doesn't Running this on a server means managing Chromium, fonts, sandboxes, and --no-sandbox flags Memory leaks on long-running jobs CI passes locally, fails in production For a one-time task, Puppeteer is fine. For something you want to run reliably every Monday at 8am? It's a maintenanc