I recently took a trip in my camper. To make sure everything went smoothly, I made lists of what to bring, gathered stuff, packed the camper, checked off lists, tested equipment, and so on. Planning for content is similar. Without an internal system to track your content, things can get away from you.
Writing a blog post that nobody cares about is frustrating, especially when you put so much work into it. Before you throw in the towel, however, try researching whether your blog topic is something Google cares about. Here's how.