Discovery vs. Control

Every match type gives Amazon a different amount of freedom.

Once the seller understands the difference between search terms and keyword targets, the next question is how those two sides are connected. A keyword target does not automatically equal one search term. The match type defines how much flexibility Amazon has when deciding which buyer searches may trigger the ad.

This is one of the most important structural decisions in PPC. A seller is not only choosing a keyword. They are choosing how much discovery they want and how much control they are willing to give up to get it.

Discovery finds possible demand. Control spends only where the seller has more confidence.

The more freedom Amazon has, the more the seller can discover. But that discovery usually comes with noise. The less freedom Amazon has, the cleaner the traffic can become. But clean traffic usually discovers less. A seller cannot expect maximum discovery and maximum control from the same match type.

This tradeoff is especially important in Amazon Merch on Demand because catalogs are large, margins are royalty-based, and product-level data can be sparse. A seller who gives Amazon too much freedom with high bids can burn through budget on broad or loosely related traffic. A seller who demands too much control too early may never discover the search language buyers actually use.

The goal is not to decide that one match type is good and another is bad. The goal is to use each match type for the right job.

Table 6.2. Discovery vs. Control by Match Type