Saturday afternoon. You've been eyeing that ₹45,000 laptop on Amazon India for three weeks. Does it dip during the Great Indian Sale? Does it spike on weekends? Nobody knows — because nobody is watching. Today we'll fix that with ~50 lines of Python. No paid APIs, no ₹499/month SaaS, no Chrome extensions that sell your data. Just a weekend project you can finish before dinner. What we're building