Status: Discovery & MVP Definition

Project type: Product case study + working API/webhook prototype

Core principle: AI explains structured pricing rules; it does not decide device condition or price.

  1. Project Brief
  2. Secondary Research
  3. Competitor Analysis
  4. User Journey
  5. MVP & PRD
  6. Pricing Rules
  7. Workflow Design
  8. Figma Prototype
  9. Metrics & Learnings

1. Project Brief

Problem

When a buyer exchanges an old smartphone while purchasing a new one, the estimated exchange value shown at checkout can fall after doorstep inspection. If the buyer only sees a lower amount with an unclear reason, their final purchase price changes unexpectedly and trust drops.

Primary user

A buyer exchanging an old smartphone while purchasing a new device online.

Secondary user

A doorstep inspector who records the observed condition of the device using defined checks.

Goal