Hello! Based on my experience, getting better is a journey of practice and learning new techniques.
I’ve posted numerous resources on the community board. Type amigurumi into the search bar and you will learn alot.
Right now, the fastest way to get clean crisp stitches is to yarn under and not yarn over.
Try googling yarn under in amigurumi and you’ll find lots of videos demonstrating how to yarn under.
And welcome to Ribblr!
Debi