Maybe it's just me, but I really dislike my questions being marked [CLOSED] and if there's already answers I'm unable to delete the question. How long does it take a closed question to be deleted?
Everything you ever wanted to know about Closed questions, but were afraid to ask: What is a "closed" or “on hold” question?
Which leads to:
Everything you ever wanted to know about Deleted posts, but never knew to ask: How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?