Make sure the company you decide on has a real live person, with whom you can speak to, not an email system or an empty website. This way, should something go wrong or you have a question, you can immediately pick up the phone and get answers. I communicate with my System Owners on an almost daily basis- I know they're there if I need help. You will want to be mentored in this same way.
Be very wary of international companies-most are scams
Step1
Do your research--Ask about the company you're considering on web forums, friends, family- Value their input. It's your money and sanity at risk
Step2
Be aware that to make serious money, you have to put out money. Begin your plan for investment- how much and to what company
Step3
Do your research again- then again. Make absolutely sure the company you choose to invest in, for your home business will follow up what they promise-- I have the check to back up a company I have chosen