This document discusses five ways for companies to increase profitability through marketing: 1) Know your target demographics and cater to their needs, 2) Focus marketing efforts on the top 20% of customers who generate 80% of sales, 3) Upsell additional products and services to existing customers, 4) Capitalize on emerging industry trends, and 5) Strive to retain existing customers through good customer service and special offers for repeat business. The document emphasizes that understanding customers drives profitability more than acquiring new customers and that adapting to trends keeps the business relevant.