I'm ready to jump in to painting customs but I need supplies. There are (seemingly expensive) Warhammer branded starter sets on amazon that come with Warhammer figurines for practice, and a Citadel branded set. Are these the best ways to get started? The paint colors all have silly names that don't describe their hues at all. For example, Caliban green or Kalabite green?

It's really intimidating to get into this and all the guides I've seen, even the FAQ thread here, seems to assume a lot of knowledge. I need someone to explain to me like I'm five years old what I need o get and what the best way to get it is. Thanks!