A Venture Beat post, Ask the Attorney: What issues do I need to consider when forming a start-up? has a good summary of the issues that founders should be thinking about very early on. At OTBC, we frequently see start-ups making mistakes relating to these subjects - mistakes that may not be fatal, but that take a lot of time and effort (and pain) to go back and fix. These are important! If you're starting a company, read the Venture Beat post.