Follow up on comments you wrote on posts. Continue the conversation. Bloggers enjoy engaging with their readers.
Be clear about your goals for blogging. Maintaining a blog is laborious. And your goals will keep you motivate!
Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.