If you are planning to do business might as well do something that is online. There are many choices that are available online. One of the things that you may want to do is Affiliate Marketing. Selling products of other people can be fun you get to earn commissions. Writing articles and selling them to people who are into online business is also another way. Doing referrals is also very profitable you get to earn while doing less. All these things require no diploma or credentials at all. You just need to know what you are doing and you are good to go.