I'm getting CNC router in two weeks. I've been watching YouTube videos of MACH3 and sheatCAM, but I have a lot of questions. I've been using CAD and design software for 10+ years, Im looking of material for CAM, MACH3, and machine set-up.... basically I want to learn how to cut a basic shape in a 3/8 material in 1/8 steps.

also looking for bits guide.

Thanks for any help.