Mastering Pay-Per-Call: Best Strategies & Tools for Affiliate Marketers

Hi WSO community,

I'm diving into Pay-Per-Call marketing and looking to optimize my approach. Specifically, I'm interested in:

1. Top platforms: Which tools do you use for tracking calls and managing campaigns?
2. Automation: Any recommendations for automating lead logging and follow-ups?
3. ROI tracking: How do you measure the effectiveness of your campaigns?
4. Lessons learned: Any pitfalls to avoid in this niche?

Looking forward to hearing your experiences and insights!