where there is muck there is brass

used to imply that there is often money to be made in unpleasant or undesirable tasks or situations

The proverb "where there's muck there's brass" originates from Yorkshire, England, and dates back to at least the 17th century, emphasizing that money can often be found in undesirable or hard work. The saying implies that sometimes wealth comes from engaging in hard, unglamorous work that others may avoid. It emphasizes the idea that opportunities for financial success are often hidden in places that are overlooked or deemed unpleasant by others.