Amazon has started selling delivery speed to its own sellers. A paid Sub Same-Day option, reported on 30 August 2026, sits above standard same-day fulfilment and costs extra. The tier itself is not the interesting part. What matters is that speed has moved from a platform feature you receive to a line item you buy.

Read as a pattern, this is consistent with where marketplace economics have been heading. Fulfilment features that once arrived bundled increasingly arrive priced, and the seller decides whether the conversion lift covers the fee. That pushes a merchandising question onto your profit and loss: which products convert well enough, at what basket value, to justify paying for hours.

For a brand selling in Europe the read-across matters more than the US tier does. European delivery expectations are set locally, market by market, and they are not uniformly a race to the fastest available hour. Reliability of the promised date carries real weight in several of the largest European markets. A brand that buys speed in the US and assumes the same lever works in Germany or the Netherlands is buying the wrong thing.

There is a structural point underneath all of it. You can only sell a same-day promise, paid or free, when the stock already sits close to the customer. In the US that is Amazon's own network doing the work. In Europe it is whichever warehouse holds your inventory. Brands shipping European orders out of a US warehouse are not in this conversation at all, whatever they are willing to pay.

So the practical move is to look at where your European stock sits before you look at delivery tiers at all. Speed becomes purchasable only once the inventory is in-market.

• Model the fee against basket value and conversion product by product, not across the whole catalogue.
• Check what your largest European markets actually reward, because reliability and speed are not the same promise.
• Confirm your stock sits close enough to the customer for any fast tier to be deliverable at all.
• Treat this as a US tier for now. Nothing in the announcement extends it to Amazon's European marketplaces.

Expandly holds client stock in its Netherlands warehouse, which is what makes a local delivery promise possible in the first place.