Products set details like pricing, billing cycles, recommendations, provisioning modules, and other options for each item you sell.
Overage billing allows you to bill clients on cPanel, Plesk, or DirectAdmin hosting servers for their monthly disk or bandwidth use.
WHMCS's automation settings determine when the system cron runs, whether to perform certain tasks, and the details for running each task.
The Plesk module allows you to add and manage Plesk servers in WHMCS.