Don't use your drone for business. You might have a great idea for a lucrative new drone photography business, but commercial use of drones requires a special permit from the FAA and brings a whole new level of restrictions and requirements. Hobbyists have much more freedom to fly, so embrace it.
The drone industry has a comprehensive website with all the rules and recommendations called "Know Before You Fly" and the Academy of Model Aeronautics will point you to your local flying club and help you find the local model aircraft enthusiast community. The full rules and regulations can be found on the FAA's drone website.
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