How to handle answers that are duplicates of existing answers
43806
Lots of not-always-useful but well-intentioned answers
106633
What should we do when highly-voted/accepted answers are outdated/incorrect and won't be updated?
15852
Posting and answering questions you have already found the answer to
152605
Duplicate Low Quality Post in First Post & Late Answer - Double Flag?
154856
Wording of "possible/exact duplicates" when closing the question
139237
How to sum over duplicates?
70074
How to handle a deliberate duplicate question
94964
How to get list of duplicates when using DeleteDuplicates?
112077
How to check if a value already exists to avoid duplicates?
16251
I accidentally marked the wrong question as a duplicate. How can I replace it with the correct duplicate?
76231
How to get a new answer for an old question
10674
Avoiding asking a question that's already been asked
100366
What is best way to find duplicate questions?
13649
What to do with cross-site duplicates?
64859
Is it acceptable to add a duplicate answer to several questions?
78861
Why are there two separate boxes about duplicate questions?
135386
Should bug-report/feature-request *questions* that duplicate Grab-bag *answers* be closed as duplicates?