Events with tickets showing up as “Free” was brought up a while back by another user (not me), we added on our confirmation of the same issue in this thread, https://theeventscalendar.com/support/forums/topic/woocommerce-integration-incorrectly-sets-price-and-stock/
…and a fix was supposedly underway in March. The issue is still present and we have a very frustrated client.
I feel like Modern Tribe needs to escalate this problem and get a fix pushed out immediately. We have gone for months with no official update and have been watching release notes looking for the bug to be addressed.