Modular vending machine system and modular vending machine method

A modular vending machine method comprising:

• loading a good to be dispensed into a cartridge that is one of multiple cartridges configured to hold the good, the cartridges being provided with a traveling mechanism;
• removably storing at least one of the cartridges at a docking station configured to removably store at least one of the cartridges;
• receiving at least one of the cartridges into a cartridge port of a vending machine main body, the vending machine main body also including a dispensing-port for dispensing the good to a user and a mechanism configured to perform at least one of removing the good from the cartridge, performing dispensing preparation processing of the good, or dispensing the good via the dispensing port;
• controlling operation of the cartridges, the docking station, and the vending machine using control circuitry;
• and moving the cartridge to move to and from the docking station and the vending machine main body using the traveling mechanism.