I think most of the folks always miss the point that a Pro subscription gives you access to real time advisor help available 16 hours a day. It is located at each and every lesson’s bottom right’s chat widget.
You can really chitchat with them if you want. Sometimes I see people here posting questions about a Pro project, which certainly reduce the workload of our advisors 
Code review and 1-on-1 guidance aren’t normally available through books or youtube.