Marketing & Content
How to Write Your Monthly Newsletter in Under an Hour With AI
Australia has the highest email open rate in the world: 47.69%. That means when a small business owner in Brisbane, Perth, or Hobart sends a newsletter to their list, nearly half of the people on it actually open it. Compare that to social media — where the average organic reach is 2–5% of your followers — and email starts looking like the most underrated marketing channel a small business has.
The problem isn’t interest. It’s time. Most business owners who have a newsletter mailing list haven’t sent one in months, because writing a newsletter feels like a big project. It isn’t. With AI, a complete, professional, on-brand newsletter takes under an hour from blank page to scheduled send.
Here’s the system.
The 5-Section Newsletter Structure
Every good small business newsletter has five sections. Once you know the structure, AI can fill it section by section — you just supply the brief.
1. The Opener — A short, personal note. Two to four sentences about something happening in your business, your industry, or the world relevant to your audience. Warm, informal, like a note from a real person.
2. The Main Piece — One useful thing your audience can take away. A tip, a how-to, a checklist, a myth-busting fact. This is the reason people stay subscribed.
3. The Client Win — A brief, anonymised story of a positive result a client achieved with your help. Two to four sentences. Makes the newsletter feel real, not promotional.
4. The CTA — One thing you want readers to do. Book a call. Download a resource. Reply with a question. One CTA only — if you give people five options, they choose none.
5. The Sign-Off — Three lines. Warm, personal, signs off with your name. Sometimes a P.S. works here: a second, lower-stakes CTA or a quick thought that didn’t fit elsewhere.
The Prompts, Section by Section
Section 1: The Opener
Write a 3-sentence opening for a monthly email newsletter from a
[business type] in [city].
This month's theme: [pick one — e.g. "staying visible without
burning out," "end of financial year," "back to school / quiet season"]
Tone: warm and personal, like a note from a real person — not
a press release. First sentence should pull the reader in.Read it. If it starts with “I hope this email finds you well,” regenerate. That opener has been retired.
Section 2: The Main Piece
This is the core of your newsletter. It should be useful. Pick a topic you know something about and brief AI to write it at the depth and length you want.
Write the main content section of a monthly newsletter for a
[business type]. This month's useful piece:
Topic: [describe the tip, how-to, or insight]
Audience: [who reads this newsletter — e.g. "small business owners
in Brisbane who run trades businesses"]
Key points to cover: [list 3–5 points, or leave blank for AI to decide]
Format: short intro, [3 / 5] practical points or steps with brief
explanation each, short closing sentence.
Length: 250–350 words. Conversational, no jargon.Section 3: The Client Win
Write a 3-sentence "client win" section for a monthly newsletter.
This goes in the newsletter to make it feel real and grounded.
The win: [describe briefly — "a client saved 6 hours of admin per week
after switching their invoicing process" / "a new client doubled their
enquiry rate after updating their contact page copy"].
Keep the client anonymous. Describe the situation, the result, and
one sentence about what made it possible. Warm and understated —
no hype.Section 4: The CTA
Write a brief CTA section for a monthly newsletter.
This month's offer or action: [describe — "book a free 30-minute call,"
"download our new resource," "reply to this email with your biggest
question"].
Keep it to 3 sentences. Clear, direct, no pressure.
One action only.Section 5: The Sign-Off
Write a warm newsletter sign-off for [your name] at [business name].
Include:
- A 2-line personal close
- A P.S. with [a low-stakes second CTA / a quote / a forward-looking
line about next month's newsletter]
Keep it brief, genuine, not formulaic.Subject Lines
The subject line determines whether anyone opens the email. Write it last, when you know what you actually sent.
I've just written a monthly newsletter for a [business type]. Here's
what it covers:
[Paste your assembled newsletter, or summarise: opener topic, main piece
topic, client win, CTA]
Write 5 subject line options. Mix of approaches:
- One that leads with curiosity
- One that leads with a specific benefit or result
- One that feels personal (first person, conversational)
- One that's direct and clear (no cleverness)
- One with a number (e.g. "3 things," "1 idea")
Under 50 characters where possible. No clickbait.
These are for a genuine small business audience.A/B test: most email platforms (Mailchimp, Vision6, Klaviyo, ActiveCampaign) let you test two subject lines on the same send. Use it. The data feeds into next month.
The 60-Minute Timeline
Here’s how the hour actually breaks down:
- Minutes 1–5: Decide on this month’s theme and main piece topic. Don’t skip this — it’s where the newsletter becomes coherent instead of random.
- Minutes 6–20: Run Section 2 (the main piece) prompt. Edit the output: add one specific example or detail that’s yours, remove any phrases that don’t sound like you.
- Minutes 21–30: Run Section 1 (opener), Section 3 (client win), and Section 4 (CTA) prompts simultaneously or one after another — these are short.
- Minutes 31–35: Write or prompt Section 5 (sign-off). Add the P.S.
- Minutes 36–45: Assemble the newsletter in your email platform. Paste each section in order. Add any links.
- Minutes 46–52: Run the subject line prompt. Pick your two favourites for A/B testing.
- Minutes 53–60: Preview on mobile, fix any formatting, schedule.
Done. Sent. That’s the newsletter your subscribers have been waiting for since January.
The Consistency Trick
The hardest part of a monthly newsletter isn’t writing it — it’s remembering to write it.
Fix this with a calendar block: the first Thursday of every month, 9am, 60 minutes. Block it now. Label it “Newsletter Day.” It becomes infrastructure.
If you miss a month, don’t write an apology email. Just write next month’s. Apology emails for missed newsletters are more awkward to receive than they are to send.
Download the Newsletter Template Kit
📧 Free Download: Monthly Newsletter Template Kit
Everything in one place: the 5-section structure, all five AI prompts pre-written, 12 monthly theme ideas, and a subject line swipe file with 20 proven formulas. Copy the structure into your email platform and never stare at a blank newsletter again.
[Download the free template kit →]