Make it easy for your customers to complain or give you compliments. You want the customer to tell you what they want to buy. Encourage them to talk. Run contests, ask customers for feedback and good suggestions and reward the best ideas with money, coupons, free merchandise, etc. Pay your customers for helping to lengthen your product’s life by coming up with popular improvements, new colors, new features, new uses, longer product life, easier to use products, etc.
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