Do I need an FEIN?
This IRS explains FEIN requirements here: Do I need an FEIN?
Almost all businesses need an FEIN. The exception is if you organize as sole proprietorship with no employees and no other special circumstances as described in the IRS’s web page above. Whether or not you are required to obtain an FEIN, all businesses are allowed to obtain one.
It is SMGB’s suggestion that you obtain an FEIN whether or not one is required. Otherwise, you’ll be using your social security number to identify your business.
Here is an IRS video about FEINs: