A pet care system is disclosed which may include disposable cartridges for storing and dispensing pet care consumable items. The cartridges may be detachably held in a main structure which may also include a retractable leash, and other pet care related items. The cartridges may have machine-readable indicia affixed thereto, that can point the user to information for ordering cartridges and supplies. The pet care system may have additional features to enhance the safety or convenience of the pet or user, including an RFID tag, a radio transmitter, a radio receiver, a GPS locator, a mechanism for generating audible sounds, a light emitting diode, and a flashlight.
