Stone Haven Blog
Field notes on enterprise outbound - infrastructure, deliverability, multichannel strategy and what it actually takes to fill a calendar with qualified meetings.

Guide
Email vs Cold Calling vs LinkedIn DMs: 100,000 Sends Per Channel, One Year
A one-year, 100,000-sends-per-channel test settles email vs cold calling vs linkedin: 100K emails booked 3 deals in a single day of sending, 100K calls booked 27 deals across a full year, 100K DMs booked 14 deals over two months.

Guide
Cold Email Reply and Bounce Benchmarks, With Denominators - 414,871 Real Sends
The average cold email reply rate sits near 3.4% in 2026, but most benchmark posts hide the denominator. Here are reply and bounce numbers pinned to real send counts, including two documented campaigns totaling 414,871 sends.
