How Do You Know When a Topic Should Be Off Limits?

You will need to go after terms that are above your tier. There is a point where the sidewalk ends with on page for sure. The idea would be as you build those links, you're also building out that supporting content that is naturally raising your tier. So because sites do get to a point that they don't need backlinks anymore. That's the ultimate goal. And then anything else on authority? I think that covers it. Oh, one thing I'd mention: Don't change any internal links on your site.