Thank you to another comment?
13484
Is it acceptable to write a thank you in a comment?
138504
First Post suggests an answer from a "new user" who is 3+ years old with 1800 rep
80592
Sharing reputation for good comments that contribute to the quality of the answer
48650
Highlight comments from answer author, in addition to question author
53428
What is the etiquette for thesis acknowledgements that thank God?
24179
Comment posting issue
111591
Not enough reputation - wanting to answer/comment
108648
Can I "tip" someone who left a good comment on my answer?
28900
Comments saying "thank you" remind OP to accept answer
153027
Quoting someones comment in own answer
127692
One comment per user per post but be able to reply to existing comments
102781
When should I add another answer?
132958
Thanks vs Thank you vs Thank you so much?
38576
When should "no problem" replace "you're welcome" as a response to "thank you"?
49291
Who gets the "Was this post useful to you?" feedback?
24412
"Leave a comment" link even when you can't
86202
What makes a good/valid +1 comment?