The document provides advice for a new client on coming onboard with programmatic buying. It recommends: 1) building a strategy and getting started; 2) understanding key terminology and the programmatic landscape; 3) choosing the right buying model such as open auction or private marketplace; 4) considering creative assets; 5) leveraging available data; and 6) protecting the client's brand. The document outlines benefits of different approaches and challenges to address for a successful programmatic strategy.