JUSTANSWER
JustAnswer offers its members on-demand answers from professionals in a variety of fields. There are over 175 categories, but the most popular include tax, finance, law, mechanics, doctors, veterinarians, electricians, plumbers, electronics and computers. Freelancers who wish to join JustAnswer must submit a resume with professional credentials, which is then vetted by the JustAnswer Advisory Board. Experts set their own schedule and compensation varies, but per JustAnswer, top experts earn $1000s each month resolving customer questions.