4 ms·What part of selling coffee requires keeping records of your customers?by rbecker 6y agoWhat part of selling coffee requires keeping records of your customers?kaisix 6y agocheck their website for an answer.rbecker 6y agoLoyalty cards aren't required to sell coffee. Nor do they have to be tied to a person. We shouldn't go along with the framing that loyalty programs and retaining all this information about customers is required to run a business.