I recommend this guy (filtered on 'Bambu'). He gets to the point & is quite throrough.
www.youtube.com
probably start with this one

Planet 3DP
Welcome to my channel dedicated to educating and empowering the 3D printing community as a whole. I explore all that 3D printing has to offer—from printers and software to materials and innovative techniques. Whether you're a beginner or an experienced enthusiast, I am here to help you grow your...
probably start with this one



