A 100-yen shop is no longer a place where every item costs exactly 100 yen. It is better understood as a budget store built mainly around 100-yen products, with some items priced at 300, 500, or even 1,000 yen. Most customers now expect to see higher-priced products as part of the regular selection.
Even so, knowing this does not completely change the way people judge prices once they enter the store. Inside a 100-yen shop, 100 yen becomes the natural point of comparison. An item that would seem reasonably priced at 500 yen somewhere else can suddenly feel expensive simply because it is sitting on a shelf in a 100-yen shop.
People may look at the price tag and say, “Wow, that’s expensive,” or “Wait, this isn’t 100 yen?” When an item costs 500 or 1,000 yen, some customers will hesitate and compare it with similar products at other stores before deciding whether to buy it. The price itself may not be unusually high. It feels high because of the setting.
When someone overlooks the price and discovers at the checkout that an item costs 300 or 500 yen, they will usually accept that they should have checked more carefully. At the same time, they may still feel that the price should have been displayed more clearly, or that the item was presented in a way that made it easy to assume it cost 100 yen. For that reason, higher-priced products should have especially noticeable price labels.
The name “100-yen shop” no longer describes the business perfectly. It is now a familiar label carried over from the time when nearly everything really did cost 100 yen. Japanese customers understand and accept how these stores operate today. What has not disappeared, however, is the expectation that a 100-yen shop should still feel like a place where things cost 100 yen.
The stores are cheap and convenient, so people are unlikely to become genuinely angry. Still, when they come across an expensive item, they may complain a little. They understand the modern business model, but part of them still expects the old 100-yen standard. That gap between what people accept and what they instinctively expect is the real reason a 500-yen item can feel surprisingly expensive in a 100-yen shop.