Lessons yenye nimesoma kwa business especially hii biz ya mpesa never lack float or cash because when the customer comes and lack in your shop believe me he / she will never come again coz atasema huyu hananga cash and that's how you loose customers pia your language matters Kuna wale wanatalk rudely to the customers .vile mtu pia hudisplay products zake matters too na pia cleanness to your shop too attracts customers