Fast-track for marking own question as duplicate?
3685
Confirming that my own question is a duplicate by voting to close should have immediate effect
66878
Taking ownership of comments on migrated questions
9079
Mark-as-duplicate vs. Merge
152605
Duplicate Low Quality Post in First Post & Late Answer - Double Flag?
13649
What to do with cross-site duplicates?
119857
Could we allow child Meta questions to be closed as duplicates of Meta.SE ones?
133887
Are questions closed as duplicates ever automatically deleted?
81134
What decides what to prepend the duplicate question list with on a duplicate question?
78555
Double booked - User bookmarking question recorded twice
10674
Avoiding asking a question that's already been asked
60643
Should Stack Overflow/Exchange have a mechanism for marking obsolete questions?
146576
Askers should be able to close their own question as a duplicate
7406
When merging questions, leave the duplicate one as a placeholder
31310
Dealing with quickly edited, copied answers?
130860
What to do when your question has an old, stale, unanswered duplicate?
71646
Duplicates of an outdated question
140849
Why didn't my name show up when I marked a question duplicate?