Follow standardized measurements & weights set by people of Madinah & Makkah respectively

This hadith teaches us about the importance of standardizing measurement and weight. The Prophet Muhammad ﷺ taught that when it comes to measuring or weighing something, it should be done using the same standards as those used by people in Al-Madinah and Makkah respectively. This is important because it ensures fairness in transactions between people, since everyone is using a common standard for measurement or weight. It also helps prevent any confusion or disputes over what constitutes a fair transaction since everyone is using the same standards. By following this teaching from our beloved Prophet ﷺ we can ensure fairness in all our dealings with others.