Tiered link building helps you rank for competitive keywords without burning...

https://www.scribd.com/document/1032066985/Why-Are-My-Rankings-Not-Moving-After-Building-Backlinks-A-Troubleshooting-Guide-163537

Tiered link building helps you rank for competitive keywords without burning your budget. By focusing your tier 1 efforts on authority and using tier 2 links to support those assets, you build a foundation that lasts