20 Low-Traffic Placements Didn't Move Rankings: The Link-Bulding Moment That Changed My Approach
https://www.scribd.com/document/983196773/When-Marketing-Leaders-Get-Burned-by-Link-Building-Vendors-Sam-s-Story-132324
How 20 Placements on Low-Traffic Blogs Cost Us Months of Growth Three years ago I spent $6,000 on 20 “guest post” placements sold by a cheap outreach group