Thats very important @ Punk
"Expect the worst scene and then start!"
If you're going to be utterly dissatisfied with the worst possible scenario, then don't get into the business, or if you still want to, come up with Plans B, C, D , E, F & G !!
About starting a business with a few hundred 1000, go for a mobile shop as someone mentioned earlier. Buy and sell cell phones, a great business (Y)