Can a single user post two answers for one question?
12116
Two Answers, One Question
147792
Is it okay to copy-paste answers from other questions?
153027
Quoting someones comment in own answer
242
Accepting your own answer with alternative answers to be worth +2 reputation?
39772
What is the official etiquette on answering a question twice?
35162
Duplicate questions without answers
95144
separate reputation for questions and answers
78376
Flag Answer, duplicate
47803
Answering the same question across the site
32895
How can I avoid asking duplicate questions?
35209
50 questions / 30 days limit with only 2 questions posted
3281
Flag/close/share questions/answers?
134831
Ability to create questions with vote or comment or both disabled
64859
Is it acceptable to add a duplicate answer to several questions?
15852
Posting and answering questions you have already found the answer to
18236
How can you get the permalink for an answer to a question?
112256
Should I still post an answer if I see several answers have already been posted while writing an answer or making a fiddle?