If you wanted to know about shooting tethered, there's an incredible resource that is completely free. RGG EDU recently created this 4 hour video tutorial with 24 sections. 

"This tutorial is an overview of getting started with your tethering setup, some gear you may want to consider, backup solutions, computer options, wireless networks, troubleshooting, camera connections, cable management, grip tools and other general topics to help get you up and running." 

It has everything from small budget setups to everything in between! 

You can pick it up and learn more about it here: 
https://rggedu.com/collections/available-tutorials/products/introduction-to-shooting-tethered-photography-workflow-tutorial

Here's a little preview of the tutorial here as well: