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Don’t Just Use ChatGPT... Train It

Train your own GPT to churn out high-converting ads—fast.

Author

natasha Barwell
May 09, 2025

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In today’s newsletter

  • Ever seen a founder actually build in public?

  • Hiring IT becoming a headache?

  •  Meta ads feel broken? You're not alone

  • DTC Gold for the day

In today’s AI Launch Codes (For Premium Users Only)

  • The custom GPT that writes ad copy like a Senior copywriter

Let's dive into it!👇

Ever seen a founder actually build in public?

The guy behind Woodsmen Mountain Whiskey just asked LinkedIn to help pick their new packaging.

No fancy focus group, just straight-up feedback from anyone who cares.

He’s testing two designs to better tell their Himalayan story. 

👉 See the full thread

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Meta ads feel broken? You're not alone

Ashvin shared how unstable Meta's performance has been this year. 1–2 weeks of results, then sudden drops!

They’ve tested everything: account structure, attribution, landing pages, creative. Still inconsistent.

If your numbers make you go insane at times, you’re not actually crazy.

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New data shows 1 in 5 Gen Z users now buy directly through TikTok without ever visiting the brand’s website. Beauty and wellness brands are seeing the biggest lift, but even apparel and pet care are starting to break through. If you’re still treating TikTok like a top-of-funnel playground, this might be your signal to test TikTok Shop seriously.

2. 🧾 Shopify’s new returns dashboard is a step in the right direction

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🤖 The custom GPT that writes ad copy like a Senior Copywriter

I built a GPT that writes clean and emotionally sharp ads without sounding like AI.

All it needs is your product name and tone. Here’s what it gave me when I asked it to write for a disposable bedsheet brand targeting caregivers:

GPT Output (real example):

Here is the output using our custom GPT

Lets jump right in.

Here’s the exact workflow I used to build this copywriting GPT from scratch:

Step 1: Prep your inputs

You’ll need:

  • 2–3 ad examples in your tone

  • Your product’s key benefit or positioning

  • ChatGPT Plus (needed to create Custom GPTs)

Step 2: Ask GPT to act as your prompt engineer

Open ChatGPT and paste this:

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