Scrolling down the window will get you to Budget & Schedule.

Here is where you’ll set your daily spending limit. We recommend not less than $10 per day for best results as you get started. Anything less might prove too frustrating right at the beginning.

You can choose to either run the ad continuously, or set a start and end date.

In this example, we’re choosing to run our ad for 10 days.

Scrolling down the window, we’ll see that Facebook predicts how many people will click our ad: