What is the policy on OP deleting the posted question?
5698
How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?
121896
Are the rules really so important that a useful question has to be deleted?
9271
Warning to users who are about to delete their own question and cause question ban
8759
If I can't delete my own question, why ask us for permission to delete the question?
54660
How to delete questions with answers and comments
104524
Should questions removed automatically for inactivity really be non-undeletable?
152813
No way to delete an answered question
116674
Allow author of accepted answer to delete it in certain circumstances
47551
Allow the author to delete their own question after closure, if other rules permit it
140591
"-4 more vote(s) needed to delete this question"
106409
Don't automatically clear the possible comment abuse flags when a post is deleted by the owner
33652
How to appeal to undelete an answer deleted by moderator?
62769
How can a question banned user fix their questions if they're deleted?
121507
Can the system leave a deletion reason when it deletes a question?
4056
Can we clarify to the OP that their question is not yet closed and the duplicates are only suggestions?
73145
Deleting a question showed one of the answer as deleted by the owner
133347
Ability for mods to hard-delete a question or revisions