Proper commenting on dofollow blogs is key to maintaining those links long term. Leaving bad comments is sure to result in not getting those incoming links. Here are two more types of comments that I will delete.
I get Google Alerts on the term “DoFollow Blogs” to keep up with what is going on in the dofollow blog world. For a while I’ve been seeing a number of people looking to hire someone to do their dofollow blog commenting for them.