If you want to learn how to draw hands with sausage fingers, I can send you pics of my hands for reference. Albeit, you'll probably regress in learning how to draw hands by doing that.
That's tough, but also a really great way to get comics finished. I think back to when I made comics, I would rework pages to death, doing minute changes to panels and re-hatching certain sections, even redrawing pages entirely. But that was mainly because I didn't have a deadline and I got to durdle around and now look at me (I havent produced comics in over 2 years). So good on you
Link us to your streams!
No worries! You just have to put in the time and effort. It's like that Malcom Gladwell thing where you need to put in 10,000 hours to fully get anything