Question

why does mr wilson come to holmes​

Answer 1

Answer:

A detective as famous as Sherlock Holmes would charge a lot for his services, but Jabez comes to him because he has heard that Holmes will take cases on a pro bono basis if they interest him. ... So Holmes tells him he hasn't lost anything but is actually thirty pounds richer

Answer 2

because he has heard that Holmes will take cases on pro Bono basis if they interested him