Tiered link building helps you squeeze more value out of your outreach efforts....

https://finnsgreatperspective.yousher.com/what-are-advanced-link-building-services-and-what-do-they-include

Tiered link building helps you squeeze more value out of your outreach efforts. Instead of throwing everything at your homepage, you direct powerful tier 1 links to your main assets while using tier 2 links to pass authority downstream