Part#3: You must add Value

Your comment must always add value to the post, and you might add a personal experience on the topic, or a different view or a new question to ask concerning the subject.

We now know the composition of useful comment.

You make a positive impression on that very topic and add your value to the post, and the comment must be useful, exciting and captivating.

Conclusion

You stand to gain more when you love to give a valuable comment to other people's blog, and you might be thinking, am i learning anything by commenting? You have the reward in the long run because it exposes your blog to many people, thereby selling yourself too in the vast community and on the web at large.