Tiered link building is an effective way to scale your SEO without burning out...

https://canvas.instructure.com/eportfolios/4299058/home/what-does-hyper-targeted-mean-and-how-do-i-do-it-responsibly

Tiered link building is an effective way to scale your SEO without burning out on manual outreach. By focusing your high-quality tier 1 links directly at your site and supporting them with tier 2 links, you create a stable authority flow