01The challenge
Where the account was stuck.
Since the products are at lower price point the margins are thin. Client wanted better ROAS so he can be profitable.
Mario10: From Losing Money to Stable Income
Mario 10
The story of losing a business to winning
Home & Kitchen·Amazon US·Published December 15, 2025
15,58%
ACOS AFTER
26,95%
ACOS BEFORE
£10,629.14
SPEND AFTER
£8,209.51
SPEND BEFORE
The account we inherited, and what we changed.
02How we fixed it
What the algorithm did.
By With the help of our tool the account got profitable and scaled the sales. Some of the existing campaign structure was left, new campaigns were created for the new products and the products with low sales.
The full write-up
Week by week, with the numbers.
Mario10 (Home & Kitchen, UK) came to AdFixer because their products sit at a lower price point, which meant thin margins and very little room for inefficient ad spend. The goal was straightforward: improve ROAS so the account could stay profitable while still growing.
On the self-serve plan, we used AdFixer to make the account more efficient without rebuilding everything from scratch. We kept parts of the existing campaign structure that were already working, then created new campaigns for new products and for SKUs that had low sales, so they could gain visibility without wasting budget.
Over time, this approach turned the account from unstable performance into consistent, scalable results. In the period 01 Jan–31 May 2024, Mario10 was running at 26.95% ACoS with £30,462 in ad sales. By 01 Jan–31 May 2025, ACoS improved to 15.58% while ad sales grew to £68,223 meaning the account scaled significantly while becoming much more profitable.
Results
What changed in the account.
01
ACoS reduction: -42.19%
02
Ad sales growth: +123.96%
03
ROAS increase: +72.98%
04
Ad spend change: +29.47%
Your turn
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