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That's great news. From April onwards buying from a reliable vendor with fulfillment by Amazon will mean you get the parts from that vendor, not some random parts from a random provider that claim to have the same SKU.

Seems like Amazon finally agrees that the counterfeiting issues from commingling are worse than the logistics advantages

Finally. I remember buing "genuine" Samsung HDMI adapter and receiving counterfeit products all the time (technically inferior with bad shielding and failing quickly) Might have been a good idea on paper, but reality proved otherwise. Actually I'm surprised it took them so long.
This is a big deal. There are lots of goods I wont even think about buying from amazon because counterfeit goods are common and unpunished and untraceable by amazon.
Does this mean they won't have the option to buy from "Other sellers on Amazon"?
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This is about how inventory is pulled once a purchase from a seller has already been made. "Other sellers on Amazon" doesn't care how the item gets pulled, it just cares there are multiple sellers for the same product (which doesn't require the sellers inventories be commingled to do).
Why now, and not 15 years ago when their reputation started tanking for this reason? And when are they going to ban the re-use of listings for unrelated products?
I don't like the market power of Amazon.
This has been my one wish from Amazon as a consumer for years. I wonder what’s finally driving the decision? In the end the increased trust will be good for business, but one has to imagine there’ll be teething pains from the policy change.
Happy to see this. Maybe I'll consider buying toner cartridges again. Every time I've tried in the past, what has shown up has been unusable, sketchy junk. I now go to a neighborhood Staples where I can put actual eyes on the box.
TIL To keep the price of Kenyan coffee low, the British set up markets and ratings. All the beans are commingled. Plus added bureaucracy. So no farmer would be directly incentivized to excel. Just a race to the bottom.

Insidious.

It perfectly described what Bezos did.

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Sorry, I can't quickly find the article explaining the unique history of Kenyan coffee. Will add later if I do.

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This org's page hits all the same points:

Kenya Coffee, Quality Decline & the Systemic Truth Behind the Cup https://kenyacoffeeschool.golearn.co.ke/kenya-coffee-quality...

The article I read was written by a (western) coffee buyer explaining why he can't buy beans directly from Kenyan farmers. Whereas buyers can directly in every other country.

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u/jrjeksjd8d found it. Woot!

Too late, I stopped buying from Amazon because of this. Now my shopping habits have changed.
I wonder how they are planning on de-mingling existing products that don't have the required Amazon barcodes that should or vice versa.
That’s why they announce this on the sellers’ news page. To stop it on the input side.
> This change is important for safely buying genuine products, such as 3M respirators.

Personally funny example to me, because, at our anti-counterfeiting tech startup, 3M respirators was the prospective customer I championed.

(Right before Covid hit, we'd launched our first MVP factory deployment, and there was soon news of counterfeit N95 masks. Which is just evil.)

Why wait so long? Do it now…

This is the same company who creates internal systems that encourage wringing out every drop of effort no matter how many piss bottles litter their work environment. When a faceless program uses gamification and comparison estimations to keep their employed serfs always working, constantly fed a sense of being behind. The stress of it all without the minimal of a “good job!”

You’re telling me THAT style of company isn’t capable of achieving this goal for another 2 months? If the company is going to use reprehensible practices at least use it to achieve good quicker.

To me this feels like releasing a press announcement to generate good PR and waiting until everyone forgets before not actually doing the thing… That’s my cynical take.

That fact that they ever did this is kinda crazy. Did they not imagine that someone would try to sell counterfeit products? Commingling means that a seller could be hit by a refund and bad review for a product that was never theirs.
The very fact that Amazon was letting people receive items from someone who they did not purchase the item from is incredible and frightening and maddening news to me.

Is this really what we want capitalism to look like?

It's about time! They never should have allowed 3rd-party sellers on the platform until this was in place.

I've been saying for years, Sandisk makes the best Flash cards but never buy them from Amazon, just for this reason. Too many counterfeits out there.

I wonder what effect this will have on cost and delivery time. Will Amazon start telling us, “This is available sooner from seller XYZ”?
It’s about time. I’ve been going out of my way to not buy from Amazon, especially on items that are often counterfeit, or where a counterfeit item would cause real issues.

Just a couple days ago I was planning to buy some supplements, which Amazon had. I went to the actual website of the company and bought from them, because the idea of getting a knock off was a bit scary. To my dismay, I received an Amazon shipping notice after making the purchase outside of Amazon. This brought back my skepticism. I’m still waiting for the package to arrive and will end up inspecting it closely.

A few months ago I bought some headphones from Amazon, because the official site was out of stock on the color I wanted. I ended up going on YouTube and finding a video on how to spot authentic pairs vs counterfeit ones to make sure I got the real thing.

This all stemmed from when I bought a water bottle, and the reviews mentioned this commingling issue and how to spot authentic real one vs a fake. I double checked that I was buying from the company’s listing and not one of the other sellers on the item. I received a counterfeit one. Thankfully this review tipped me off. I lost a significant amount of trust in Amazon that day. A random bottle isn’t something I even thought I needed to worry about counterfeit version for.

Amazon has a long way to go to rebuild trust with me. This is a step in the right direction. The fact that it took this long is pretty sad. Amazon is the only mainstream store where I’ve ever had to question if I was buying legitimate goods or not.

Just last week I got a fake Tony Moly skin lotion from Amazon. So frustrating. It had 1200 positive reviews, which I read and looked good so I ordered. Only when I got it and the bottle different than my last order and the lotion smelled weird I went into the reviews and actually keyword searched "fake' did 18 new reviews come up talking about how it is not the actual branded product. Initially I searched in the "ask Rufus" AI bot field and got some gaslighting slop about how there are no fake products on Amazon as the response!

> Have gotten fake products twice > First things first, I love this moisturizer. I’ve used this as my primary since the product line was released. I use a lot of skin care and the chok chok cream is the best. They used to have a gel version for summer and a thick version for winter. I loved those too.

> Problem: Twice now I have ordered and have gotten fakes. How do I know? Packaging not correct, texture of cream not correct and no correct date stamp on bottom. The container was actually strangely big next to my authentic version. You can see in the photo that the stamp on the container is not similar. The one on the left is the real deal and the one on the right is the fake I have gotten twice.

I have had similar issues.

I no longer buy anything over $50 from them, but I have had "Fulfilled by Amazon," from the sellers' [actual] sites, and haven't had a problem.

I don't trust the sellers' "stores" on Amazon, though. You will get things like gray market Chinese versions, from "official" stores.

Same here, I'd buy from B&H instead.

The thing, though is, as you discovered with the water bottle, "items that are often counterfeit" is pretty much everything nowadays, not just SD cards.

Let's be clear, the reason they are doing this is because by now the majority of listings on Amazon for any even remotely generic item are from made-up brands with a bunch of fake 5 star reviews. The commingling just happens at the source..
Is this also a problem when buying and the seller is amazon.com or only affects third party sellers?
You listed common items you think may be counterfeits, and all your effort in checking, but fail to mention av single time you _actually_ ran into a counterfeit. I'm sure if it occurred you'd happily mention it since it would do wonders in reinforcing the paranoia.
I've gotten a counterfeit SD card from Amazon before, so it's likely a pervasive issue. Glad they're finally doing something about it.
About time they fix that mess
The text in that attached screenshot is the key giveaway, "Now that most sellers maintain inventory levels that keep products close to customers..."

This looks like a signal that Amazon's fulfillment network has reached a saturation point where the 'distributed cache' model of commingling is no longer necessary for speed. Ten years ago, commingling was a necessary optimization. If seller A (county A) and seller B (county B) both sold the same widget, Amazon treated them as a single distributed liquidity pool to guarantee 2-day prime shipping nationwide without forcing every small seller to split their stock across 10 warehouses.

Now that Amazon has moved to a highly regionalized fulfillment model (where they aggressively penalize sellers who don't have stock distributed across regions), the computational and reputational overhead of commingling outweighs the diminishing returns on shipping speed. For all intents and purposes, they have traded the operational complexity of physical sorting for the software complexity of forcing sellers to manage regional inventory better.

I wonder if the meteoric rise in people using LLMs for advice had anything to do with this?

I was recently using ChatGPT and Perplexity to try to figure out some hardware glitches. I've found LLMs are way better than me at finding relevant threads for this kind of problem on Reddit, company support forums, forums of tech sites like Tom's Hardware, and similar.

The most common cause of the glitch I was seeing was a marginal Thunderbolt cable. A Best Buy 15 minutes from me had a 1m Apple Thunderbolt 5 cable. Amazon had the same cable for the same price with overnight Prime delivery.

If I'm spending $70 for an Apple cable I want it to actually be an Apple cable, so I asked ChatGPT if an Apple cable sold by Amazon was sure to be a genuine Apple cable.

It told me that it likely would be, but if I wanted to be sure buy it from Best Buy.

I bought from Best Buy.

Military had a similar problem, so they created the stock number and manufacturer codes. Pretty much every part in stock is known by its manufacturer and part number combination.