Amazon has lowered its free shipping minimum back down to $25, the latest policy change amid a free-shipping battle with Walmart. The change seems to have been made sometime last week, but it went unreported until today. BestBlackFriday alerted us to the change.

This is the second time this year that Amazon has lowered its free shipping minimum. In February, Amazon lowered the minimum from $49 to $35. Now that it’s down to $25, the minimum has returned to the place it sat at for more than a decade, before Amazon starting raising it back in 2013.

Amazon began bumping up the minimum on free shipping in part as a way to promote Prime, which covers all shipping costs regardless of how much a customer is buying. Prime seemed like a much better deal when the minimum was at $49, since it opened up the ability for subscribers to place much smaller orders.

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