Target TACoS & Breakeven Logic
When configuring the advertising strategy, EVA allows selecting TACoS as the target metric. If TACoS is selected, EVA’s efficiency target is interpreted through total store performance, not only ad-attributed revenue.
In this setup, you define a target efficiency level that the platform should aim to maintain when evaluating advertising impact across the whole business.
The interface may also provide guidance signals such as:
- Breakeven reference values
- Recommended target ranges
These values help ensure that the selected target reflects a sustainable balance between advertising spend and total store revenue.
What Target TACoS represents
Target TACoS defines the acceptable relationship between advertising spend and total sales (including organic + advertising-driven sales).
TACoS is calculated as:
TACoS = Ad Spend ÷ Total Sales
A target TACoS therefore represents a business-level advertising efficiency goal.
For example:
- If Target TACoS is 10%, the objective is to spend no more than $10 on ads for every $100 in total sales.
This target is useful for evaluating whether advertising spend is supporting sustainable growth rather than producing revenue only through direct ad attribution.
What Breakeven TACoS means
Breakeven TACoS represents the maximum business-level advertising cost ratio that can be sustained without harming overall profitability.
At breakeven:
- advertising spend reaches the maximum level that the store can carry relative to total revenue before profitability is reduced.
This breakeven reference acts as a safety boundary when defining a target TACoS.
If TACoS rises above the breakeven level, advertising spend may begin to reduce overall business profitability even if ad-attributed sales appear healthy.
Relationship between Target TACoS and Breakeven
- The relationship between the target and the breakeven reference determines how conservative or aggressive the overall advertising strategy is.
- If Target TACoS is close to Breakeven TACoS, the setup is more aggressive and allows greater ad dependency in exchange for faster revenue growth.
- If Target TACoS is significantly below Breakeven TACoS, the setup is more conservative and prioritizes overall profitability, ensuring advertising spend remains well below the sustainability limit.
- This relationship helps define whether advertising activity is intended to drive aggressive scaling or to operate as a controlled support channel within a profitable business model.
Recommended values
- If EVA provides recommended TACoS values, these are used to guide target selection based on available store performance data.
- Recommended ranges help users choose an efficiency target that is realistic and sustainable given current revenue and advertising behavior.
- Users can follow the recommended values or define a custom target depending on their business priorities and strategy.