Sometimes I get my post ideas from the comments I read.
Last month I read a comment with a phrase which stuck with me through the day. That night I made a post based on that comment. When I saw how well-received that post was, it occurred to me to begin a series based on it. And all that is due to a few words I saw in a comment.
The other day I was going to comment on a post and then I saw how long the comment was. Fearing a downvote due to comment length, I turned that comment into its own post.
It's just another way to get the mental gears in motion instead of grinding.
Much of my writing is crypto-related, but the principle can apply to any topic.