Allow low-reputation users to delete comments that were posted on their behalf
110185
<50 reputation users can't delete comments that were posted on their behalf
10721
"Requires 50 reputation" to comment on deleted posts
32484
Who has the power to delete a comment?
117715
Always allow commenting on posts I have previously commented, irrespective of current rep
20441
Is there a way to edit or delete and reenter comments once they're posted?
51806
Make it cost more to downvote without comment; make it hurt to leave a crap comment
47581
Marking comments as 'addressed by edit' to reduce noise
93356
Do Stack Exchange sites allow editing of comments and posts from other users?
51996
Destroying a spammer does not delete their comments
91954
Comment deletion notification
52100
Allow new users to flag comments on their own posts
72668
Dealing with "difficult" usernames in targeted comments
113483
Allow diamond moderators to comment on deleted or locked items
82910
Low Quality Posts reviews add comments more than once on behalf of reviewer
3237
Require a comment when deleting an answer or a question
41382
Deleting comments under posts in the mod queue should be easier
83426
Prevent suggested edits under 10 reputation on protected questions