Prestozon has two forms of automation that are complementary, but separate, processes:
Bid automation handles bid adjustments for campaign keywords. You can learn more here: https://prestozon.com/2017/07/25/prestozons-automation-algorithm-explained/
Keyword automation uses rules to promote successful search terms and negate expensive ones. You can learn more about rules here: https://prestozon.com/2018/04/26/amazon-ppc-keyword-management-rules/ and you can watch a quick video on creating and editing rules on YouTube here.