You will need to obtain a business license from either the city or county (depending on whether you are within city limits) where you will be operating. You should also set up a simple LLC to operate the business to provide limited personal liability and some tax advantages.
If you would like to discuss any issues further, please feel free to contact my office. The link to my contact information is below. Thank you.
The foregoing is general information only, not specific legal advice. No attorney/client relation has been created or should be implied.