Using countdown timers in emails can create a sense of urgency because people can see the time running out. This can work well during sales or limited offers, but it must feel natural and not forced. If the timer appears too often, readers may stop paying attention or feel pressured. Some email apps also do not display timers correctly, which can make the message look broken. A simple written reminder can sometimes work just as well. When used in the right moment, a timer can push someone to act sooner, but it should fit the message. What kind of situation do you think makes a countdown timer feel helpful rather than pushy?