Shopify Trade-In Calculator | Electronics Retailer

The Challenge

An electronics retailer accepted trade-ins by email. Shoppers had no idea what their old device was worth before buying, so most abandoned the idea, and staff quoted values manually and inconsistently.

The Solution

We built an embedded Shopify app with a guided calculator so shoppers could estimate trade-in value instantly and apply that credit at checkout, plus an admin panel for pricing rules.

Deliverables

• Embedded Shopify app with storefront calculator widget
• Condition-based valuation rules editable from the admin panel
• Automatic discount code generation and cart credit
• Trade-in request queue with status tracking for staff
• Fallback state so the storefront never breaks if pricing data is unavailable

Process

1. 01Built an embedded Shopify app with a storefront calculator widget
2. 02Modelled condition-based valuation rules editable from the admin panel
3. 03Generated discount credit automatically and applied it to the cart
4. 04Added a staff queue to track and approve trade-in requests
5. 05Tested the flow from 320px phones up to wide desktop

Tools & Stack

Final Result

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