My union charges $108/mo in union dues only to sow chaos and prop up mediocre teachers. That’s 1.8% of the gross salary at $60k/yr and 10 monthly deductions. (It’s true that our administration is inept, but are they as inept as the union presents them to be?)
https://www.nytimes.com/2018/06/27/us/teacher-unions-fallout-supreme-court-janus.html