Your Inventory Is Leaking Money... and Amazon Loves It

You don't always lose money when you make a bad sale.

Sometimes...

You lose it by making no sale at all.

That's what Inventory Age Fees are doing to thousands of Amazon sellers in 2026.

They're quiet.

They're boring.

And they're eating profits while sellers spend all day trying to lower ACoS by 2%.

It's like trying to stop a leaking faucet while someone left the garden hose running.

I've seen it too many times.

📦 The Seller Who Paid Amazon More Than His Supplier

A seller I know launched a kitchen product in late 2024.

The launch went well.

Sales were strong.

Feeling confident, he ordered six months of inventory to "never run out."

Sounds smart, right?

Not exactly.

Sales slowed.

A new competitor entered the market.

His ads became more expensive.

Instead of selling six months of inventory...

It took almost a year.

By the time those units crossed Amazon's inventory age thresholds, he wasn't just paying storage fees anymore.

He started paying Inventory Age Fees on hundreds of units.

His inventory became more expensive to keep than it was to manufacture.

When we added everything up...

• Inventory Age Fees

• Monthly storage

• Capital tied up

• Interest on borrowed money

• Price cuts to clear inventory

He lost thousands.

The painful part?

Nothing was "wrong" with the product.

The inventory simply sat too long.

🎯 Inventory Isn't an Asset Until Someone Buys It

This is where many sellers get trapped.

A garage full of inventory feels productive.

An FBA warehouse full of inventory feels safe.

But inventory isn't cash.

It's cash wearing a costume.

And the longer it sits...

The more expensive that costume becomes.

Amazon rewards fast-moving inventory.

Slow-moving inventory gets taxed.

🚨 Why 2026 Is Different

Amazon keeps getting better at using warehouse space.

That means sellers who use fulfillment centers like free storage units are paying for it.

Inventory Age Fees are designed to encourage healthy inventory levels.

Amazon wants products moving.

Not collecting dust.

If your products sit too long, those fees quietly stack up month after month.

Many sellers don't notice until they review their profit report.

Then comes the famous sentence...

"Where did all my profit go?"

🛠️ Here's What I Do Instead

My goal is simple.

Keep inventory moving.

Not overflowing.

Here's the playbook I follow.

1️⃣ Forecast Conservatively

Hope is not an inventory strategy.

Use actual sales data.

Adjust for seasonality.

Order based on trends—not emotions.

2️⃣ Watch Inventory Age Weekly

Don't wait until Amazon sends a warning.

Check your Inventory Age report every week.

The earlier you catch slow movers...

The more options you have.

3️⃣ Fix Slow Sellers Fast

Don't let your ego make inventory decisions.

If something slows down...

• Improve the listing.

• Increase advertising where it makes sense.

• Run a coupon.

• Lower the price if necessary.

• Bundle it.

• Remove inventory before fees pile up.

Waiting almost always costs more.

4️⃣ Order Smaller and Smarter

Yes...

You may pay a little more per unit.

But I'd rather pay slightly higher manufacturing costs than months of storage and aging fees.

Cash flow wins every time.

💡 The Biggest Lesson

Most Amazon sellers obsess over finding winning products.

Successful sellers obsess over moving inventory.

There's a huge difference.

Revenue looks exciting.

Cash flow keeps your business alive.

Inventory Age Fees don't usually destroy a business overnight.

They slowly drain it.

Kind of like termites in a house.

You don't notice them...

Until the floor starts collapsing.

✅ Final Thought

Amazon isn't just paying you to find products.

It's paying you to manage inventory.

Master that...

And you'll keep far more of the money you already earned.

Remember this:

"Inventory should move like a river—not sit like a pond."

See you in the next one.

Keep your inventory lean, your profits clean, and your coffee strong. ☕📦

Andy Splichal
Founder & Managing Partner of True Online Presence & Author of the Make Each Click Count Book Series

P.S. If you're tired of wasting money on ads that don’t convert — and you're ready to take your Amazon PPC from “meh” to money machine — let’s chat. I offer done-for-you ad management that actually works (no fluff, just ROI).
📅 Click here to book a call with me — let’s scale this thing 🚀

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