The nine questions cover some of the most important decisions an e-commerce company has to make when building and scaling its advertising system:

1. Choosing between Meta and Google
2. Understanding the economics of scaling
3. Diagnosing conversion problems
4. Measuring attribution properly
5. Determining an appropriate starting budget
6. Understanding modern Meta targeting
7. Choosing between CBO and ABO
8. Managing creative fatigue
9. Deciding when an agency makes more sense than an in-house setup

The underlying principle is simple:

Advertising should be evaluated as part of the entire e-commerce business, not as an isolated ROAS number.

The Science of E-commerce Advertising.

E-commerce brands: this one’s for you.

I’ve been noticing something interesting when looking at how brands price their products and spend on ads.

Sometimes, there’s more room to grow than you think.

Most e-commerce brands don’t know how much they should spend reaching their existing customers.

Spend too little, and you leave revenue on the table.

Spend too much, and you waste budget repeatedly reaching the same audience.

There’s a simple way to calculate the right starting point using your customer base, target frequency, and CPM.

Scaling an e-commerce business starts with understanding what actually influences growth.

I map out the six levels of the Hierarchy of Influences:

Budget → Account Structure → Creative → Offer → Brand → Product

Each layer affects the next. I explain how these pieces connect, where marketers typically focus, and why the deeper layers have a significant impact on long-term customer value and profitability.

00:00 — The Science of E-Commerce Advertising

00:37 — The Hierarchy of Influences

01:32 — Where Most Marketing Efforts Stop

02:08 — Budget & Unit Economics

03:07 — Account Structure & Creative

04:20 — Offer, Brand & Product

I spent two years making my agency harder to understand.

More offers. More lead magnets. More resources. More positioning. More stuff.

The result? An offer that needed an explanation before people could understand what I was selling.

So I did the opposite.

I deleted most of my marketing.

One brand. One clear offer. One positioning. One system.

And that decision became the foundation for the new HDM GRO-ads — The Science of E-commerce Advertising.

The idea is simple: good advertising starts with understanding, not guessing.

That means understanding the customer, finding the real desire behind the purchase, connecting product features to those desires, building concepts around personas and offers, then testing what actually works.

Just research → psychology → creative → measurement → testing.

And there was another problem I wanted to fix: the way agencies make clients work across five different platforms just to get a campaign running. So I rebuilt the onboarding process around one simple system that takes about 45 minutes.

This is the thinking behind GRO-ads 2.0 — and why I'm betting on simplicity over complexity as I build the business into 2027.

00:00 — The most powerful thing in the universe

00:23 — The biggest mistake I made for 2 years

01:01 — Why my offer was too complicated

01:53 — The new one-offer model

02:19 — Rebuilding the brand

03:16 — Why I chose “The Science of E-commerce

Advertising”

04:48 — The system matters more than the packaging

05:33 — The problem with traditional agency onboarding

06:22 — My new 45-minute onboarding process

07:43 — Good advertising starts with understanding

08:23 — The GRO-ads Research → Response Method

08:48 — Finding customer desires

09:13 — Product performance: feature → benefit → desire

10:10 — Persona-based advertising in the age of AI

11:05 — Turning personas into advertising concepts

11:23 — The 2:2:1 creative rule

11:47 — Campaigns, measurement & testing

12:50 — Why psychology still matters after algorithm changes

13:11 — Why I deleted most of my lead magnets

13:35 — What happened to the old free resources

14:07 — The GRO-ads philosophy

The lesson I'm taking forward:

Sometimes the smartest thing you can add to a business is something you remove.

— Hirdesh Matai

Founder, HDM GRO-ads

The Science of E-commerce Advertising

Every business starts with an idea. Few start with the right one.

Before you invest time, money, or attention, your idea should earn it.

This video teaches The 10 Ways to Evaluate a Market from The Personal MBA by Josh Kaufman,

A practical framework for measuring whether a market deserves your effort.

You'll learn how to assess:

• Urgency
• Market Size
• Pricing Potential
• Customer Acquisition Cost
• Cost of Value Delivery
• Uniqueness of your offer
• Speed to Market
• Up-front Investment

• Upsell Potential
• Evergreen Potential

Eliminate weak opportunities before they become expensive mistakes.

Whether you're launching a startup, building a product, or choosing your next business idea, this framework gives you a rational way to decide where to commit.

Attention is limited. Capital is limited. Time is non-refundable.

Evaluate first. Build second.

Reference: The Personal MBA - Josh Kaufman

If this changed the way you think, subscribe.

Every video is built to improve how you make decisions, build businesses, and create leverage.

Timestamps:

00:00 – Why Market Research Matters

00:21 – The Personal MBA Framework

01:27 – 1. Urgency

01:50 – 2. Market Size

02:18 – 3. Pricing Potential

02:55 – 4. Customer Acquisition Cost

03:34 – 5. Cost of Value Delivery

04:05 – 6. Uniqueness of Your Offer

05:09 – 7. Speed to Market

05:41 – 8. Up-front Investment

06:10 – 9. Upsell Potential

07:14 – 10. Evergreen Potential

07:50 – Calculate Your Final Score

08:11 – What Your Score Means

08:57 – The Recap

10:21 – Next Steps

Your customers have money, alternatives, and absolutely no obligation to choose you. So give them a reason that makes the decision obvious.

Good is irrelevant. Valuable is what gets bought.

Master the nine economic values. Know what your market actually cares about. Then make the trade-offs your competitors are too afraid to make.

You don't need to please everyone. You need to become impossible to ignore.

If you're building an e-commerce business, this matters. If you're not, carry on.

Learn the 6 pieces behind every irresistible offer:

• Niche
• Outcome
• Timeline
• Guarantee
• Pricing
• Bonuses

Build better offers. Get more customers. Make sales easier.

Timestamps:

00:00 Introduction

00:14 Service + Niche

00:43 Outcome

02:14 Timeline

03:06 Guarantee

03:18 Money-Back Guarantee

03:51 Work Until Done Guarantee

04:12 Insurance Guarantee

05:36 Pricing

05:54 Base Fee

06:03 Performance Fee

06:15 Hybrid Pricing (Base + Performance)

06:43 Bonuses

07:43 Bonus #1: 28-Day Payment Cycle

08:14 Bonus #2: Bundles

09:03 Summary

10:01 Outro