Electronics Resale Value Calculator: Sold Comps vs Trade-In

Compare current sold comps, trade-in offers, platform fees, battery health, lock status, accessories, and condition before listing used electronics.

Quick examples

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Exact model/spec is blank; sold comps should match model, storage/spec, lock status, condition, and accessories before listing.
Decision

Trade-in may be safer

Marketplace net is only $-59.60 above trade-in before return risk. Use trade-in unless comps are fast and clean.

Sale Value
$520
Comp anchored
Marketplace Net
$440
After fees, shipping, repairs
Trade-In Spread
$-60
Target $50
Value Change
48%
Below original MSRP/cost

Comp and Trade-In Breakdown

Heuristic age/condition baseline$490.91
Current sold comp used$520.00
Platform fees-$67.60
Shipping / insurance-$12.00
Repair / unlock cost-$0.00
Marketplace net$440.40

Disclosure Checklist

Use this before drafting the listing, not after a buyer asks.

Battery health: 88%

Lock status: unlocked

Accessories: basic

Watch the September iPhone cycle.

Tested functions: power, screen, ports, camera/speaker, storage, controller buttons, or GPU output as applicable.

Photos: serial/model area, lock or activation screen, included accessories, visible defects, and packed battery/device condition.

Source-Backed Use Notes Checked 2026-08-06

eBay Product Research/marketplace sold data is the preferred source for current resale comps. Apple Trade In is useful as a conservative floor for eligible Apple devices, but Apple says value depends on device, model, manufacturer, and condition.

Used electronics must be listed with accurate condition and defect disclosure. Lithium battery shipments have carrier restrictions, so verify USPS Publication 52 or the chosen carrier before shipping damaged, loose, or replacement batteries.

How to Price Used Electronics Without Guessing

Start with the exact model, storage/spec, condition, lock status, and accessories. Enter a current sold comp when you have one. Without a comp, the calculator only shows a heuristic age-and-condition baseline so you know what to verify next.

The decision compares marketplace net against trade-in value. A marketplace listing needs enough extra spread to justify buyer questions, shipping damage risk, returns, fraud screening, and time to payment.