What if Enron or Lehman Brothers utterly fail? What about taxes on stock gains? I think property taxes in US already vary a lot from state to state. It certain

What if Enron or Lehman Brothers utterly fail? What about taxes on stock gains? I think property taxes in US already vary a lot from state to state. It certainly vary also from country to country. It's something you need to be aware to take a decision on whether it's a good investment or not. Ultimately, all these costs are also embedded into renting price.