Can condo meeting minutes be approved outside of an open meeting?

Q. Our board does not meet as often as monthly, so is there another way to approve minutes between open meetings?

Do all owners approve minutes for the annual meeting?

Q. Is it true that all unit owners need to approve the minutes of the Annual Unit Owner's Meeting?

Does the board need to vote on building maintenance?

Q. There is an active leak for a window in our building that needs to be addressed, but it is more cost-effective to get all of the windows sealed at the same time rather than go back for the others in the spring.