You can create multiple packages in order to be used in the front end ad form, so that the user can choose certain packages as they prefer.
This feature requires third-party advertisers option to be enabled in settings page and WooCommerce to be installed.
In order to create a package navigate to Products → Add New
Select AdCenter Package and in general options you will get following fields-
- Regular Price and Sale Price
- Package Type - Cost Per Days (CPD), Cost Per Clicks(CPC), Cost Per Impressions(CPM)
- Duration/Clicks/Impressions - Depending upon package type
All the packages created will be shown in WPAdCenter → Packages as such