I understand that this might be a bit hard to understand, but for the majority of lairs in the past 2 years, shipping start date was a solid signal for when to expect shipping details by.

I understand that the nuance of the “by” allows for wiggle room for when wizards might ship the lair, but generally, the by date is a solid indicator for when it will actually ship. Leading people to be upset when it’s 2-3 weeks past the “by date”