Terms on getting started.

Building a company using your own money and the revenue it generates, rather than raising outside investment.

A unique nine-digit number the US IRS assigns to your business for tax and identification purposes, like a Social Security number for your company.

The two most common US business structures: an LLC offers pass-through tax and flexibility; a C-corp is standard for raising venture capital.

The simplest version of your product that delivers core value and lets you test key assumptions with real users.