Here's what Dunkin' keeps quiet: 1. Pour-over coffee is free at most locations but nobody orders it. It takes 3 minutes longer but it's actually fresh brewed just for you. Ask if they offer pour-over service, especially at slow times. 2. The app sometimes charges you twice for the same order during system updates. Check your bank statement weekly. I've caught double charges 4 times and Dunkin refunded all of them instantly when I called. 3. Seasonal drinks are just regular drinks with different