Consider adding new single or duplex floor receptacles to eliminate the dangerous act of running extension cords under rugs.
Consider installing GFCIs (Ground Fault Circuit Interrupters) in wet locations like kitchens and bathrooms to bring your home up to the current electrical code requirements.
Consider updating the potentially hazardous wiring in your older home if the wiring is covered in cloth or black rubber, or has aluminum wiring.
Consider adding a dedicated circuit if power strips or multi-receptacle extension cords overload your outlets, lights dim with the use of an appliance, fuses blow or circuit breakers trip often, or if a switch or outlet gives a mild shock.
Consider adding new USB receptacles with the increasing need to charge electronic equipment.
Consider upgrading your main service panel if you notice rust or moisture.
Consider adding new receptacles to accommodate three-prong grounded plugs for appliances that require them, such as microwaves or clothes dryers.