This document discusses strategies for improving lead quality and sales conversions from AdWords campaigns. It recommends importing offline conversions into AdWords to attribute sales to keywords and ads. It also suggests establishing lead qualification criteria to classify leads by willingness to buy. The document provides guidance on calculating an optimum cost per qualified lead based on average order value, orders per customer, and other metrics. It stresses the importance of retaining existing customers and prospects through tactics like AdWords Customer Match targeting.