Start up

I have been thinking a lot lately about starting my own business. Something that I could even possibly do from home. But my first question and trust me I have more than one question but the first would be where do you begin and how do you get any kind of Network Marketing Leads. I found this site where you can go and they have a great book for you telling you everything you need to know and you are able to preview a chapter of the book and check out the table of contents online before you actually order the book. This just may be the place where I need to begin