Product design question
You are a PM for a grocery store. How would you organise the aisles?
- Meta
- Product design
- Easy
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What this question tests
Tests applying product thinking to a physical retail layout problem, balancing shopper convenience with the store's own commercial goals.
How to approach it
- Define the user: weekly shoppers running through a routine list versus occasional shoppers browsing without a plan.
- Identify the tension: shoppers want the fastest path to their usual items, while the store wants exposure to higher-margin and impulse items along the way.
- Organize aisles by logical grouping, produce, dairy, pantry staples, matching common meal-planning mental models, with perimeter placement for high-frequency staples like milk and bread.
- Place high-margin and discovery items, like new products or seasonal goods, at eye level and end-caps along the natural walking path, not blocking the fastest route.
- Define success as average basket size, time to complete a routine shop, and sales lift on featured end-cap placements.
What a strong answer includes
- Names the real tension explicitly, shopper speed versus store margin, instead of optimizing for only one side.
- Uses a known retail principle, perimeter placement of staples, showing grounded, practical reasoning.
- Balances the metric across both goals, basket size and shop time, rather than picking just one.
Common mistakes
- Optimizing purely for store profit by forcing shoppers through a maze, which damages the actual customer experience.
- Ignoring that different shopper types, routine versus browsing, have different needs from the same layout.
Likely follow-up questions
- How would you personalize aisle discovery for app or loyalty-card users?
- How would you test a layout change without disrupting regular shoppers?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop