About 88% of Amazon shoppers said the promise of free shipping is what compels them to shop with Amazon, according to a report from data-driven marketing firm Epsilon that was emailed to Retail Dive, which is aimed at helping brands better understand how to work effectively in the Amazon-dominated shopping era. From its own data, and a survey of 3,000 consumers, Epsilon created an Amazon customer profile suggesting that the average customer earns more than $100,000, is between 45 and 54 years old and is married. More than 80% own their own home, and more than 50% have a net worth of $500,000 or more, according to Epsilon’s report. Other key factors that affect why shoppers choose Amazon include the e-commerce giant’s credit offering, the ease of its return policy, the notion that Amazon is a “one-stop shop,” and the availability of two-day or next-day shipping. Read more at Retail Dive.