This is the first principle is to achieve true loyalty - 'not to take away important'. Give managers extra time, without delaying them in lines and in parking lots. Take less money than with the rich, who will not notice this discount, and with the poor, for whom it is really important. Do not make the tired evening shoppers find the right product for storewide. Highlight a separate counter for athletes and fans of health - they have an order of magnitude greater than diabetics, for which everywhere have their own shelves. Do not annoy the already emotionally exhausted Buyers Sellers rudeness. In general, do not deprive customers what they love, and gratitude for this very soon transformed into loyalty.
The second principle is to achieve loyalty - 'give the missing'. This is a very perfectly complements the first principle. What is now likely to get the employee the average supermarket in Moscow about calorie products or advice on how best to choose what meat to fry? Zero practice.