Having said that, I will lay out for you a "starting business for beginners" checklist to follow to set you off in the right direction...
Training for how to market online is mandatory.
Assuming you would like to operate a home based Online business opportunity, the easiest and most cost-effective way of doing this is to learn how to market online. However, whatever it is you choose to market, you'll get nowhere without the proper training.
Network marketing companies especially are notorious for not advising their distributors how to market... they are known for recruiting newbie after newbie full of hope, but does not have a clue how to sell or recruit.