I own a small pet care business, and I do my work in clients homes.
      Answer1:you can file for a business license with the circuit court in your county, get liability insurance and you are fine. The benefits are if your business is a LLC, then you can not be sued and have your assets taken, they will go after the companys assets. If your a sole proprietor, they could potentially do both. License and bonding gives you credibility
      Answer2:Search: Business Empire Magazine (wont let me put link)they have a ton of useful information about ways to start or grow a business and should have answers to your questions. You can also submit press releases or other information about your company