The Messenger of Allah ﷺ said, "The price of a dog is foul, the earnings of a prostitute are foul, and the wages of a cupper are foul."
حدثنا عبد الرزاق قال حدثنا معمر عن يحيى بن أبي كثير عن إبراهيم بن عبد الله بن قارظ عن السائب بن يزيد
قال رسول الله ﷺ ثمن الكلب خبيث ومهر البغي خبيث وكسب الحجام خبيث
Its isnad is sahih. Ibrahim bin Abdullah bin Qaridh is a trusted narrator, and his hadith appears in Sahih Bukhari and the Sunan. The hadith has already appeared at 17192
.