Limit Orders is a versatile tool that will let you accommodate needs of each individual restaurant separately. 

This feature operates on a 15 minute interval and it can be changed daily OR copied for the whole week.
You can also specify if this feature will function with ASAP and/or Future orders.

Spending time in utilizing this feature will allow you to have a more efficient and in the long run more profitable business if implemented properly.

A good practice is to talk to restaurant owners and see which times are their busiest during lunch and/or dinner so you can get the most out of this feature as you can.