Total spent: $644,22
Registrations received: 1963
Average registration price: $0,32
After that, they launched a permanent advertisement (not by a specific date). After that, we found auto webinars and started gathering people every day.
The results of the second test campaign
There was a minor bug on the part of FB - an incorrect display of conversion to the thank you page. At first, we could not figure out why we had two times more modifications than getcourse.
Later, they found out why the client himself set up many different conversions, which confused Facebook. This did not affect the work of FB; the only thing was that it was a bit more inconvenient to fill in the daily statistics