7 Practical Outreach Strategies and Service Models That Explain Why 8%–15% Response Rates Are Normal
https://nova-wiki.win/index.php/Why_8%25_to_15%25_Reply_Rates_Are_a_Realistic_Starting_Point_-_A_Practical_Playbook_for_Measuring_and_Improving_Outreach
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