To be a trader you must have the value of friendliness with consumers and one of them is how we must be able to greet consumers with a smiling face and this is one of the main attractions for traders so that in this way consumers will be interested and can see which one is friendlier. so they choose to buy in places that they like because indirectly we have to assume that everyone who comes is a guest and consumers are guests of the traders so that they serve consumers as best as possible.
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From @joelcareh