At first, the edge case flow I defined felt correct, but later, when I questioned my own decisions, I started noticing gaps in it.

Critical Problems I Identified

1. Variant vs Product-Level Confusion

While exploring this approach, I realized that showing both product-level and variant-level tags on the same card can create confusion for users.

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If I show a tag like “Only 3 left” for the color variant displayed in the product card image,

Users may not clearly understand what it refers to.

They might think:

• Is this stock information for the entire product?
• Or only for the specific color shown in the image? </aside>

This confusion becomes stronger because users also see tags like “Best Seller” on the same card.

Since Best Seller typically represents the entire product,

users may assume that all tags on the card follow the same logic.

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On the other hand, the opposite confusion can also happen.

If users first interpret “Only 3 left” as variant-specific (based on the visible color),

then when they see “Best Seller”, they may wonder:

• Is this specific color Best Seller (the one shown in the image)?
• Or is the whole product a Best Seller? </aside>

The core issue is that users are not aware of the difference between: