I feel your frustration, and having been through it on a system many times the cost of V19 I can say this, it is called "Learning Curve" and all that any tutorial is designed to do is to shorten that period, they cannot do away with it.
Here are a couple of tips,
1) Don't make your first efforts so complicated that it would take a experienced user considerable time to complete. Build on your experience.
2) Cad/Cam is not easy, and it does take time, so you just hang in there, do not do what I did and get so dang frustrated I could chew nails, CONTACT SUPPORT.
I don't have BobCaD, but thousands do and with good results is my impression, support wants to help I am sure, but they cannot if you do not ask for it.
Remember quitters always lose