I Built 9 Comparison Tools for Malaysian Personal Finance — Here's What I Learned

When you move to a new country — or just want to stop overpaying — you quickly realize how hard it is to compare financial products. Malaysian broadband plans, credit card rewards, home loan rates, car insurance premiums... the info is scattered across dozens of PDFs, outdated blog posts, and salesperson decks. So I built comparison tools. Nine of them. All in vanilla JavaScript, no frameworks, deployed on GitHub Pages for free. Here's what I learned. Why Comparison Tools for Malaysia Specifically Malaysia has a few quirks that make comparison particularly painful: Multiple telcos, similar plans — Maxis, Celcom, Digi, U Mobile, unifi all offer plans that look identical on the surface but differ in coverage, throttling, and contract terms. FD rates change monthly — Fixed deposit rates at Maybank, CIMB, Public Bank, RHB shift constantly, and aggregators are often stale. Credit card rewards are complex — A card might give 5% cashback on groceries but 0.2% on everything else. Depending on