Used when something should happen quickly to avoid problems or when it's preferred to happen soon. We should hire a new developer sooner rather than later to meet the deadline.
Pro Tip 2/3
Impending Choice
Suggests a decision or action is inevitable and delaying may be unwise. You'll have to choose a major sooner rather than later, so start thinking about it now.
Pro Tip 3/3
Mild Pressure
Can gently press someone to act without sounding too forceful or demanding. Please send me your feedback on the report sooner rather than later.