Relentless Brands: Reversed a Multi-Year Slide and Grew Sales 10.8% Without Adding a Single Product | Trainadz Case Study
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Relentless Brands Reversed a
Multi-Year Slide and Grew Sales 10.8% Without Adding a Single Product

Relentless Brands sells accessories on Amazon US, and its catalog is deep: a single parent product can carry more than 60 child variations.
Billy, the CEO, had spent years building the brand into a solid business, but sales had plateaued and started to dip. There were no new products in the pipeline, and the PPC account had been set up before the catalog grew this complex. The products were still strong. The advertising needed to catch up to them.

Results

  • +10.8% revenue growth May over May, after a period of decline
  • 6-figure revenue, 5-figure profit in December 2025 — the best month in the period
  • 60+ child variations per product, each now mapped to its own exact-match keywords

The Problem

The products were never the issue. The gap was in how they were being advertised.

These were the same products that had sold well a year or two earlier. What had fallen behind was the advertising.

Every parent product carries more than 60 child variations, each with its own size, fit, and use case, and each aimed at a specific buyer. A catalog that granular needs targeting to match — but the campaigns were running on broad keywords that came close without being exact.

When a shopper lands on a variation that isn't quite right, they usually move on, or they buy the wrong size and send it back. Either way, the click doesn't convert.

Across a catalog this size, those near-misses added up. And that was exactly where the room to grow was.

The Solution

We mapped every product to its own keywords — the exact searches its buyer actually types.

Instead of broad category or brand terms, each product was tied to the specific searches its buyer uses. When someone looks for a specific size for a specific body type, they should land on that exact product, because that is what turns a click into a sale that holds rather than a return.

The campaigns were rebuilt on one rule: one product, one set of exact keywords, no overlap between them.

Negation

On a catalog this size running broad match, negation is ongoing work rather than a one-time cleanup. Terms that draw clicks without conversions, or that pull the wrong buyer toward the wrong product, get removed — and we still do this every week.

Placement

These products are specific, functional, and priced toward the higher end, so they are rarely impulse buys. We moved budget away from top of search and toward rest of search, where shoppers tend to be further along and already know what they want. On the campaigns where we made that shift, ACoS improved.

Product page targeting

We also put a meaningful share of budget into ASIN placements on relevant listings. That gets Relentless in front of shoppers who are already in the category and comparing their options.

The Results

The numbers turned around. May 2026 revenue came in at a 6-figure sum, up from the prior year's 6-figure total in May 2025 — a gain of 10.8% year over year.

December 2025 was the strongest month in the period, with 6-figure revenue, 5-figure profit, and a 14.9% margin.

After a slower start to the year, the account picked back up in March and held steady, with March, April, and May 2026 each clearing a 6-figure sum.

+10.8% Revenue growth, May 2026 vs. May 2025
6 figures Revenue in December 2025 — best month in the period
14.9% Profit margin in December 2025, on 5-figure profit

The Takeaway

Relentless Brands had the right products all along. What the catalog needed was advertising built to match it — with every variation pointed at the right buyer, the right keywords in place, and budget focused where the purchases actually happen.

The account is moving in the right direction again.

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