If this is a truly work at home. you will need a tax id number from the IRS.
It depends on the rules where you live. If you live inside or outside city limits can make a difference. In order to make baked goods to sell you have to have a health permit. You also need to contact the BOE to start collecting sales tax.
you doing this out of your home?if you are operating out of a business location, generally when you apply to rent a place, they will want the business license # before they will rent a commercial property to you
Depends on your city, county, or state laws. In San Francisco, every business needs to be licensed. ---Kasey C, PC guru since Apple II daysLaziness: resting BEFORE you are tired.