Comments always matter because they play significant role to increase the enthusiasm and inspire any writer to improve writing-skill. To comment is human nature, so use it as an earning hand.

Several website are available and dedicated to pay for blog and forum posts. One of them is Postloop which has been growing fastly. It pays $0.05 and $0.10 per posts.

Easy Signup Process - The process of signup is very easy. It is hassle free. But without going through FAQ and terms and conditions, it is difficult to be selected. Do not forget to read - "How To Start Postloop".

Doubtful Selection Process - After signup you need to subscribe staffs forum to post minimum 10 comments. All posts is reviewed manually by the Postloop staff. They review and rate. If the rating is 4.5 or above them e-mail of an acceptance as active member allowed to post is sent. Be clear 90% of the new members are rejected.

Postloop Requirements - Actually the review and rating process of Postloop is completely doubtful as majority of expert and skilled content writers have been rejected with the reason "Poor English Grammar , spelling and Punctuation". It must be clear that they look for-
*Skilled commentor
*Experts of category 
*Good knowledge of English
*Proof reading expertise compulsory.

My Experiences - As average Postloopers have been earning 1.48 point per post so it does not sound good that earning potential is excellent. To earn dollar five minimum 70 posts are compulsory. It can never convenient and attractive for those who are full-time online job seekers.