How does an Auto campaign work?
An Auto campaign is the simplest campaign to create. But, how does it actually work? The Amazon algorithm has a large database of Keywords and Product Targets. This database connects all the Keywords and Product Targets together based on relevancy to one another. I call this the Amazon Relevancy Web. Your ASIN is a product target. If the product target has a sales history, then the product target will have a Relevancy Web of keywords and product targets that are relevant to that product target and or ASIN. (In fact, it is actually at the SKU level, but we'll talk about it at the ASIN level for simplicity) If the product target doesn't have any sales history (new launch), then the product target will use Amazon's predefined relevant keywords and product targets based on your SEO. They have no other data to know otherwise. Back to Auto campaigns. Once the ASIN gets a sale on a Keyword or Product Target, this will feed Amazon with data on where to show your ad next. The more data you feed to the ASIN, the more relevant the Amazon Relevancy Web, and the more closely targeted the Auto campaign will be. Here's some proof. If you check the Keyword Suggestions on a brand new ASIN before any sales, you'll see very generic keywords as this is based on your SEO. After you get a handful of sales and check the Keyword Suggestions again, you'll notice the list will be very targeted.