“I just recently had one with a customer that just booked a call with me from a link that I sent out in my regular from uh what I called the transactional emails that I have just you know like the things that tell you hey you're on the last day of you trial or whatever or you have this kind of thing happening and they they they booked a call with me had the most wonderful conversation”

Transactional emails are an underrated channel for booking customer calls

A routine trial-ending notice with a 'book a call' link produced an ideal-customer-persona conversation that generated a full page of pivot notes. Lifecycle email is usually treated as plumbing — turn it into a research channel by dropping a calendar link into the templates that already go out.