Appliance Repair Service business. Business Overview Stoves, washers, dryers, and dishwashers - repairing home appliances is a service that has been, and will always be, in high demand. There are many instruction courses available that can train you to become an appliance repair technician, and some instruction courses take as little as one year to complete. That's very strong argument for starting an appliance repair service, especially given the fact tha appliance repair...