Once you have a scarcity offer created, the buttons on the management pages of each redirect link involved, and the initial destination, will change to show you the status. Here is the management page for the redirect link used in the previous tutorial on scarcity offers, which tells us that there is 1 person left before the scarcity will switch to the expired destination:

And, here is the management page for the initial destination, telling us that it's involved in a scarcity offer. Clicking on the scarcity offer button here takes you to the screen to manage the scarcity offer.

Also, once the scarcity offer is created, you can manage the offer itself by going here in the home page of the wizard:

Clicking it will list all of the scarcity offers, and their status: