Great tips. I've been known to struggle with a headline, and I do exactly as you suggest. The term, "Working title" comes to mind for just such occasions. Once the article is written, the title often resolves itself.
When it comes to copy writing, I make sure not to write a boring copy. It has to be compelling and fit for the brand or voice you want it to be. It has to be engaging as well. Too long copies tend to be disregarded.
You've probably heard that a headline is the most important part of your copy. In fact, many copywriters write the headline first and many write 50 or more before coming up with a good one.
When you look around online, you'll find many tips to improve your copy and you'll find many fill-in-the-blank headline templates.
Copywriters usually start with templates because you get a proven format and it's easier to come up with ideas.
Sometimes your headline seems to be resisting. Nothing helps. When this happens try this tip: Write out your main headline idea in simple English.
What's the point you want to make in your headline? What's the most important point you want to get across? What is most appealing to your targeted audience?