Can (and should) duplicate questions be automatically deleted?
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?
70613
“possible duplicate” comment should be re-added if it's been deleted
133576
Should we reword the closure text for duplicate questions?
44392
Questions closed as duplicates should include a link to the original question
9251
Do you delete your own answer when it's a duplicate?
94964
How to get list of duplicates when using DeleteDuplicates?
40395
Automatically delete negatively-scored answers after a time
3426
What is a "closed" or "duplicate" question?
142226
Why can we delete the duplicate link?
11336
How should we deal with duplicate answers?
112391
How should one respond to "duplicate answer" flags?
72565
Does deleting my own question or answer attract penalty?
10293
How should duplicate questions be handled?
32895
How can I avoid asking duplicate questions?
147570
Mark questions as duplicate of tag wiki
113626
"Close as duplicate" - what if only the answer is a duplicate?
77659
Prevent upvotes for duplicates, or carry upvotes to master question