Use your smartphone camera when starting out in the field services industry. Don’t go out and buy a new digital point and shoot camera.
Smartphone photo resolutions can be reduced using FREE Windows and Macintosh software found online using a Google search. Simply use the software batch feature to change the resolution on a folder of digital photos. Call Richard Law at 321-543-2809 (east coast) if you want to chat about smartphones and digital cameras.
SOFIBlog.com ... 352-324-6042 Florida 
ISN requires the use of a digital camera, not a cellphone.