Best Mobile Franchise Business in India On-Demand and Home Service: Providing on-demand mobile repair services or doorstep repair can differentiate a business from local competitors. Many customers appreciate the convenience of having a technician come to their home or office to fix their devices. AMC (Annual Maintenance Contracts): Offering Annual Maintenance Contracts for businesses or individual customers can provide consistent revenue. This includes preventive maintenance and priority support, which is especially attractive to corporate clients.