Zoning:
Running your business from home? You'll need to check:
Are you zoned for a home business? Check your local zoning ordinance.
Does your Homeowner's Association have restrictions?
Licenses:
Most states require a business license to operate. Give a call to your city or county clerk's office and ask what requirements are in your area.
You may need to apply for a "Fictitious Business Name" or "DBA"
Taxes:
Consult your tax advisor and/or Board of Equalization(or equivalent tax-paying authority) for specifics.
Generally you only need to pay sales tax to the state in which your business is located.(if your state requires sales tax), and then only on sales to residents of that state.
You'll need a resale number if you reside in Arizona or California
All items shipped to California and Arizona are Taxable
(You are solely responsible for calculating,collecting,withholding,reporting, and paying any and all applicable taxes,duties and levies,including without limitation states and local sales and use taxes, and federal and state income taxes. If Applicable)