Hi Tom,
Thanks for checking out our plugins!
You are correct that importing events to/from Eventbrite requires Eventbrite Tickets, not Event Aggregator. To use Eventbrite Tickets, you do need The Events Calendar (our base events plugin, which is free), but you do not need to use Events Calendar Pro for Eventbrite Tickets to work.
However, Pro does add a lot of great features, such as recurring events and shortcodes. We do not currently have any bundles/discounts for just those two, but I would recommend signing up for our newsletter – we do occasionally run promotions, and this is the best way to find out about them!
We do offer full refunds within 30 days of purchase, so if you’d like to take Eventbrite Tickets or Events Calendar Pro for a test run, feel free to do so! Please let me know if you have any additional questions.
Thanks,
Jennifer