Can't comment yet, but can't answer without the ability to clarify
2514
Why do I need 50 reputation to comment? What can I do instead?
128221
Promoting comments to answers
31058
Responding to a poor question
47093
Unable to edit my response to a locked question
85844
Can the longer comment bug be fixed?
109357
Allow me to accept an answer immediately
153027
Quoting someones comment in own answer
36260
What do I do when a question can't be answered?
110170
How do I accept an answer when I have no expertise to know which is correct?
109956
How should we treat "don't forget to accept my answer" comments?
143446
Punctuating a quoted question within a quoted statement
8100
How to answer a negative question without ambiguity?
140926
Can I re-ask a question if it hasn't been answered?
58956
When to answer a question and when to comment on a question?
23614
A method for the OP to accept comments?
90462
Marking comment as an answer?
59896
Why can't we ask for opinions?