Let’s start with a common complaint we recently saw in a marketing forum: "We paid a premium for a link building package, and all we got were low-quality links from PBNs that tanked our rankings. How do you vet a service before you commit?" This is the exact problem https://google81470.hamachiwiki.com/1771769/a_marketer_s_guide_to_choosing_a_link_building_service