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eBay Listing Spy — Seller Analytics & Profit Calculator icon

eBay Listing Spy — Seller Analytics & Profit Calculator

Instant profit calculations, seller insights, and listing analytics for eBay sellers and buyers.

Users14Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

eBay Listing Spy — Seller Analytics & Profit Calculator Media preview

1 assets
Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

12121314142026年7月5日2026年7月8日2026年7月11日Latest: 14
Rating trend

30-day rating change

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Not enough rating snapshots yet. More data will appear as new snapshots are collected.
Growth overview

Daily, weekly, and monthly growth

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1-day growthGrowing
+2+16.7%
7-day growthFlat
00%
30-day growthGrowing
+2+16.7%
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.0.0
ManifestV3
Size55.2KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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eBay Listing Spy — Seller Analytics & Profit Calculator

Stop guessing your eBay margins. Start knowing them.

You found an item to flip. You listed it at $49.99, it sold, and you felt great — until you checked the numbers. The Final Value Fee was higher than you expected. Shipping ate into your margin. You forgot about the per-order fee. And that promoted listing ad rate? That came out of your profit too.

Most eBay sellers have been there. The fee structure is not complicated, but it changes by category, and doing the math in your head while browsing listings leads to bad decisions.

WHY EBAY PROFIT MATH IS HARDER THAN IT LOOKS

eBay fees are not one flat rate. They vary by category — from 3% for heavy equipment to 15% for electronics and jewelry. On top of that:

Reviews

Recent review snapshot

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Store average score--Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average--Average computed only from synced review bodies below
Reviews with text0Synced review bodies
Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
0
4★
0
3★
0
2★
0
1★
0
No synced review text is available yet.
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