This man earns $30,000 a month as a dog-sitter!

It sounds like this man has a highly lucrative dog-sitting business. Earning $30,000 a month as a dog-sitter suggests he has a premium clientele, offers specialized or high-end services, or manages a large number of clients. His success could be due to factors like exceptional service, a high demand for his services, or a strong reputation in a wealthy community.