#215 Why Your Margins Are Shrinking (Even When Sales Are Up)

Why is your margin getting smaller even when sales look fine? 

Your revenue is growing, your ads look fine, and orders keep coming in. So why does it feel harder to make money than it used to? This episode explains why margins shrink as platforms mature and how sellers get caught off guard.

In this Week in Review, Neil explains how platform maturity removes early incentives, raises costs, and quietly compresses margins long before dashboards turn red.

Using TikTok Shop changes, EU policy updates, and platform maturity patterns, we’ll hear why margins shrink under the surface and how operators plan ahead. If you depend on one platform, this episode shows what to watch before 2026.

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In This Episode, We Cover:

✅ Why platform growth is never free and who actually pays for it

✅ How fees, logistics rules, and compliance costs quietly compound

✅ Why revenue and ROAS are misleading signals of business health

✅ How margin erosion hides inside “healthy” growth

✅ What operators track that sellers usually ignore

✅ How to pressure-test your business against future platform changes

✅ Why platform dependency becomes concentrated risk over time

✅ How to think about fees, fulfillment, and regulation before they hit your P&L

📍 Chapters

00:00 Why platform growth always comes with hidden costs

02:00 How e-commerce platforms behave as they mature

04:00 TikTok Shop fee increases and tightening logistics rules

06:00 EU parcel duties and why low-AOV models are exposed

08:00 Why sellers feel pressure without seeing the cause

10:00 The difference between revenue growth and margin quality

12:00 Why most sellers miss platform-induced risk

14:00 How operators stress-test fragility before it becomes a problem

16:00 Evaluating fee sensitivity, fulfillment flexibility, and regulation exposure

18:00 Why platform dependency increases risk heading into 2026

20:00 What to do now to protect margins before rules change

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