You can use automated options like Sync Accounts or Importassist help you migrate client data, hosting accounts, and domains from other billing systems to WHMCS using automated import tools, or you can add data using manual entry.
The Configurable Package Addon lets you to offer customizable hosting packages on cPanel & WHM, WP Squared, and DirectAdmin servers. This module is only available for self-hosted WHMCS installations.
Configure the system cron job as part of the self-hosted WHMCS installation process and make certain that its daily automation tasks always run successfully.