The Most Precious Belongings of a Shifa

The Prophet Salallahu Alaihi Wa Sallam would visit her family and use the amenities that she had for him. When she passed away, her most precious belongings were not any of the wealth that she had acquired in Mecca or in her time in Medina. And so she actually allowed for Surahiman and Masruq her children to inherit those things. So SubhanAllah, why is this so important to us and why is it something that is significant?