If you want to make sure you know what to do with your business, then you should check the business first by making good trial. To realize this one, you can try to work at a company where you want to learn. It is very good idea and many people have practiced this one for long time.

If you have enough skill and know what to do then it is the time for you to quit from your former job and then you start to open your own business. It will minimize the effort you need to spend for failure.