American singer Jason Derulo has revealed that he earns more money from his car washing business than from his music career. In a recent interview, Derulo shared that his car washing venture has exceeded his expectations and has had a significant impact on his finances. Despite not advertising the business, it has achieved success with its unique all-glass car wash concept where customers can watch their cars being washed. Derulo expressed surprise at the business's success, stating that he never anticipated it would be so profitable.