Copywriting
50 Subject Line Formulas (With Fill-in-the-Blank Examples)
Never stare at a blank subject field again: 50 fill-in-the-blank formulas grouped by the psychological lever they pull.
The Profit Inbox Blog
Practical plays on list growth, copywriting, deliverability, automation and turning subscribers into revenue.
Deliverability
Deliverability Decoded: SPF, DKIM and DMARC in Plain English
Three DNS records decide whether your emails reach the inbox. Here's what SPF, DKIM and DMARC do, in plain English.
Automation & AI
The 5-Email Welcome Sequence That Turns Strangers Into Buyers
New subscribers are at peak interest. This 5-email sequence turns that attention into trust, and trust into sales.
List Building
27 Lead Magnet Ideas That Actually Convert (Organized by Niche)
People subscribe for a result, not a newsletter. Here are 27 freebie ideas by niche, plus the QUICK test to pick yours.
List Building
Zero to 1,000 Subscribers: The 30-Day Roadmap
Four weekly sprints to build the machine that takes your list from zero to your first 1,000 Insiders.
Monetization
The Profit Inbox Manifesto: Why Your Email List Is Your Most Valuable Business Asset
Followers are rented. Subscribers are owned. Here's why your email list is the asset that makes everything else easier.