Ye Shuangshuang was surprised that she hadn't yet spread the reputation of this medicine, but somehow people already knew and came to buy it. It turned out to be because of the beggars she previously saved.
This is indeed a case of kindness being rewarded. This family was kind enough to support those beggars who couldn't even get a meal, and the beggars returned the favor by providing life-saving news to the family.
In modern society, beggars are often either physically impaired, elderly, or mentally challenged; otherwise, they are simply lazy. But beggars in ancient times were quite different.
The lives of common people in ancient times were very insecure. A natural disaster, a man-made calamity, or even a serious illness could deplete a family's wealth and turn them into beggars.
