13:14 — Please note — You no longer have to insert code to add preheader text in ConvertKit; it can be done right in the interface. Go, ConvertKit!

19:10 — Subscriber avatar worksheets — https://newsletterninja.net/avatars

32:15 — Site to test email deliverability — https://www.mail-tester.com/

39:45 — List hygiene swipe files — https://newsletterninja.net/hygiene

Facebook group — Newsletter Ninja: Author Think Tank

Presentation slide deck — 10-Tips.pdf