Customer service affect sales because it leads to loyalty disinterest sales( loyalty, disinterest, sales ) and repeat business. It increases reputation new customers business( reputation, new customers, business ) and could lead to new customers through recommendations the internet selling( recommendations, the internet, selling ). Good customer service means that people are more likely to buy sell shop elsewhere( buy, sell, shop elsewhere ). Building a good customer rapport database knowledge( rapport, database, knowledge ) can lead to opportunities for up sell complaints refunds( up sell, complaints, refunds ).