Email has been declared dead every year since 1998. Every year it produces more revenue per dollar than any other marketing channel. The reasons are structural.
Your email list is an owned asset. Platform algorithms can't throttle it. You decide what to send and when.
Inbox is a personal space. Users who open have some level of intent.
Opens, clicks, conversions, all trackable.
Average: $36-42 in revenue per $1 spent, depending on industry and report.
List grows over time; each subscriber is durable until they unsubscribe.