(Not sure why we got moved to AA for a thread about lounge access, Centurion, Priority Pass, etc., but okay.)
Yes, Centurion and buying one in appears to be the best choice.
Still curious if anyone has had the experience of using two different lounge memberships at the same time.
suggestion to many : less use of "hacking" terms
As one who Was There for a lot of the true origin of the term, it seemed to fit quite well -- but sadly, it has been corrupted so. You're probably right.