This document provides an overview of strategies for improving the customer lifecycle and plugging leaks that cause small businesses to lose customers. It discusses tracking three "black holes" where businesses lose traffic, leads, and customers. It then outlines approaches for each stage of the customer lifecycle, from attracting traffic and capturing leads to nurturing leads, converting sales, delighting customers, upselling, and gaining referrals. Specific tactics are suggested for content marketing, social media, lead generation, lead nurturing, sales processes, customer satisfaction, and referrals.