In List you now have the ability to use a Rulegroup from our Reprice tool to choose a price for you in List.
To do this, start by making a simple Rulegroup in Reprice. In this example, I will be using a Rulegroup named "Hello!" that only uses one rule to match the lowest price returned from Amazon.
It is very important that you choose a simple rulegroup for this feature in order to learn how it will work for you. You can get more specific as time goes on, but try one or two rules to start out.
Once you have created and saved your rulegroup, open your list settings and find the section labelled Reprice Rules on the left hand side of the page, about half way down through all of the settings. Select your new rulegroup, as shown below: