Where there's muck there's money?

The phrase "where there's muck, there's money" suggests that opportunities for profit often arise in messy or challenging situations. It implies that industries dealing with waste, pollution, or difficult circumstances can be lucrative due to the demand for solutions and services. Entrepreneurs and investors who are willing to tackle these "mucky" problems can find significant financial rewards by creating innovative approaches or technologies. Ultimately, it highlights the potential for growth in areas that others may overlook or avoid.