Tiered link building is about smart structure. Use high-quality Tier 1 links...

https://wiki-dale.win/index.php/How_to_Find_High_Authority_Domains_in_Your_Niche_Without_Paying_for_Tools

Tiered link building is about smart structure. Use high-quality Tier 1 links for authority and Tier 2 links to support them. With Ahrefs, you can map your backlink flow and scale outreach without risking your site