Everything we have written about ein.
A step-by-step walkthrough of the free IRS online EIN application, what you need before you start, and how to avoid paid lookalike sites that charge for a free number.
What you need to open a business bank account, how online banks compare with branch banks, and why mixing business and personal money causes tax and liability headaches.
How to file an LLC yourself on your state's portal, what a registered agent does, why the operating agreement matters, and the state fees and annual filings to plan for.