The tax ID number depends on a couple of choices you make. If you have employees then you probably need one, if you don't have employees, then you probably don't. The best bet is to check with a CPA or attorney who's local. It shouldn't cost that much money and it will be worth it to you. -- Tim
Often entrepreneurs don't have the core competencies to understand accounting, which could result in a startup failing. Here is how an entrepreneur should approach hiring an accountant or outsourcing her financial tasks to ensure success.