eBay Case Study

From MC011 Suspension to $96K/mo in eBay GMV

A vintage collectibles seller was 48 hours from permanent termination. We reinstated the account in 9 days, repaired a spiked TDR, and scaled to 180 SKUs using Cassini SEO and Promoted Listings Advanced.

Client: Vintage & Collectibles
Platform: eBay US
Timeline: 6 Months
9 Days
To Reinstatement
0%
TDR (from 3.4%)
+312%
Revenue Growth
$96K
Monthly GMV
The Challenge

The Villain: MC011 & Spiked TDR

A successful eBay seller specializing in vintage electronics and collectibles was hit with an MC011 abnormal activity notice. eBay Trust & Safety removed their selling privileges, froze their payouts, and effectively shut down their cash flow overnight.

Upon audit, we discovered the root cause was not just one issue, but a compounding series of defects:

  • Transaction Defect Rate (TDR) had spiked to 3.4% due to a failing 3PL partner causing late shipments.
  • Several high-velocity listings were flagged for intellectual property concerns by a competitor.
  • The seller had attempted a generic, emotional appeal which was instantly denied by Trust & Safety.

The client was 48 hours away from permanent account termination and the loss of a 6-figure business built over 5 years.

The EcomVengers Protocol

The Strategy: Reinstatement and Scale

We deployed our 4-phase eBay protocol to repair the account health, get the listings back online, and then aggressively scale the GMV.

01

Bulletproof POA Drafting

We immediately stopped the client from submitting another generic appeal. Our team audited the exact listings flagged by VeRO and the specific late-shipment orders causing the TDR spike.

We drafted a precise, evidence-backed Plan of Action targeting the root cause (3PL delays) and immediate corrective actions: severed ties with the 3PL, rerouted inventory to a vetted partner, and removed the flagged listings.

02

Trust & Safety Escalation

We did not just submit the POA through the standard portal. Because the account was in critical condition, we leveraged our direct escalation channels to get the appeal in front of a senior Trust & Safety rep immediately.

Result: the MC011 was lifted and selling privileges were reinstated in 9 days.

03

Cassini SEO Overhaul

With the account live, we moved to offense. The client titles were keyword-stuffed and Cassini was burying them on page 4.

We engineered new titles focused on buyer intent, optimized all 180 Item Specifics to maximum fill rate, and restructured their eBay Store categories to improve session duration and conversion rate.

04

Promoted Listings Advanced

The client had been bleeding margin on Standard Promoted Listings with no visibility into ROAS.

We migrated them to Promoted Listings Advanced, structured campaigns by category margin, and implemented daily bid adjustments. We negotiated a margin-aware ad rate that increased visibility by 240% without sacrificing profit.

The Victory

The Results: A Compounding P&L

In 6 months, the store went from completely suspended to hitting Top Rated Plus status and generating $96,000/month in consistent GMV.

Monthly GMV Growth

First 6 Months Post-Reinstatement

+312%
Overall Growth
Account Health
Top Rated Plus

Achieved in 45 days post-reinstatement.

PPC Efficiency
8.4% ACOS

Down from 24% on Standard Promoted Listings.

Organic Traffic
+240%

Cassini ranking improved across all 180 SKUs.

“We were 48 hours from losing everything we built over 5 years. EcomVengers did not just write an appeal, they rebuilt our entire eBay operation. From fixing the 3PL mess to scaling our Promoted Listings, they handled every villain. We hit $96K/mo in 6 months. They are the real deal.”
JC
James Carter
Founder - Vintage Tech Collectibles
The Next Mission

Ready to expand beyond eBay?

With the eBay store stable and compounding, this client is now expanding into Amazon FBA and TikTok Shop with EcomVengers. We establish your eBay foundation first, then conquer the rest.

Start Your eBay Recovery & Scale