@Armin Trepic my advice would be two fold.
1) Having a knowledge of the stock investing, I am assuming you have a risk tolerance level as well as ability to think long term (investing not gambling) . That said pencil out the numbers, buffer in for different 3 possibilities (worse(75%) , likely(100%) and best case (115%) example , and see if you can weather the storm of worse case scenario for 6-12 months.
2) Don't over analyze or look for the perfect deal. A lot of people get stuck in analysis paralysis, if you do the numbers, check them twice , three times over and they work pull the trigger, as a mentor once told me , "man the F up and put on your big boy pants" Knowing that I had done my research and ran the numbers and possibilities.
3) Understand that **** won't be perfect, but the pains and failures that you experience will give you life lessons that will determine if you want to continue or if this isn't right for you. And its better than sitting on the side lines wondering , because if you fail and determine that its not right for you, then at least you can move onto something else and try to grow doing that instead.