I have a different suggestion. Figure out what you need exactly after taking your time to learn the CNC and of course the included software. You might find out that you also want CAD packages and this will really require serious background knowledge.
This is a good one. Other than just starting and wanting ideas on what CNC businesses to work on,we have never thought outside the box. This one I give my 100% support. Let the ideas flow now. Come on Guys