7 Practical Outreach Strategies and Service Models That Explain Why 8%–15% Response Rates Are Normal

https://www.scribd.com/document/983196773/When-Marketing-Leaders-Get-Burned-by-Link-Building-Vendors-Sam-s-Story-132324

Why seeing 8% to 15% replies does not mean your campaign is broken If someone promised you 40% cold-email replies, they were selling hype