To pick up applications I recommend https://www.vtc.com/ or https://www.lynda.com -- Once you pay for something, you tend to be more focused. If you are hesitant to pay for training.. then you may need to ask yourself how truly vested are you in becoming a proficient professional. You can't learn everything via free online tutorials.
In addition, many of the topics covered in actual training videos will be hard to find as "free videos" on the web. Free web tutorials are created based on things that have a "wow" factor and are used as click bait.. not educational sources. Even many of Adobe's own video fall into a "click bait" category.
If you have more work than you can handle, raise your prices. That's how everyone else handles it. You may be getting too much work because you're priced so low it's a no-brainer for many to hire you.
As for a "path" or "GPS" - no there's none. It's all individualized. You have to follow what you want or need to learn. No one can determine that for you. I would merely suggest you pick one thing and learn that to your satisfaction before moving on to something else. And that includes projects.. if you are learning Illustrator but also want to learn After Effects.. don't take on After Effects projects until you have a handle on Illustrator.
Be systematic in your approach to learning. It will not only assist in keeping things clear in your mind, but will also make learning subsequent applications/technologies easier.
For more aesthetic areas.. you may try these questions:
Tips and resources for beginning designers
Introductory books on graphic design
Best resources/way/curriculum to learn Graphic Design?
How to become really good in graphic design from being average?
How do I learn to be creative?