Amazon changes prices 2.5M times per day. Most shoppers have no idea if today's price is a deal or near the all-time high. Zroppix fixes that. Open any Amazon product, click the icon, get an instant BUY or WAIT verdict in 5 seconds. → 90-day price history → Overpay risk score → What % of buyers paid less → Email alerts when price drops Free. No account needed. Works on Chrome and Brave. Stop shopping blind.