How you get your start-up started? You need two things before you can embark on a new business venture: a good idea and a bit of courage. If you have got these two basic elements, you’re well on your way. The international start-up scene shows no lack of good ideas or business acumen; just look at Start-up Night, an event recently held in Berlin on September 2 and 3. Around 200 newly established firms presented their concepts and products to thousands of guests.