The document outlines a strategy for customer retention at an online healthcare company. It recommends maintaining separate databases on existing and new customers to analyze purchasing behaviors and feedback. For existing customers, it suggests offering sales discounts on repeat purchases, consulting services from health advisors, and special coupons for referrals. New customers would receive sales discounts through bundled products and their first 10 purchases, as well as referral coupons. Online content like health videos and live chats with consultants are also proposed.