Spoiler alert: Multitasking does not work. The computer industry introduced this term to describe how a CPU can handle simultaneous processes. Then, a not-so-very-smart corporate bigwig decided that all new hires must be able to multitask

You own a business. 

You pilot your plane.

There is no licensing exam to certify business ownership; you simply decide one day to climb into the cockpit. You might have an imaginary co-pilot but chances are you're all alone. And after a few pre-flight checks (website, social media, product in inventory, a few dollars in the bank) you take off.