看bylaw，如果有一定比例的業主同意出售，有可能你不同意也會被強製出售

要看你的大樓成分，有的地方每一個業主是一個股東，多少股份都在HOA有劃分。

https://www.argianas.com/blog/understanding-chicagos-condo-deconversion-process/

This link says IL states allows condo building sales when 75% vote yes. 

https://www.chicagobusiness.com/article/20180713/ISSUE01/180719926/condo-deconversions-hampered-by-holdouts-in-chicago

This kind of law of super majority is to avoid the issue of "hold outs", 中文叫做釘子戶。