Morton, check these out. Even if just for fun.
http://www.amazon.com/Outdoor-Security-Camera-Blinking-Silver/dp/B004D8NZ52/ref=sr_1_1?ie=UTF8&qid=1420145542&sr=8-1&keywords=fake+security+camera
They work extremely well as a deterrent and there is no recording to deal with. They also have signs you can buy that warn of cameras or security systems. They also work very well and combined are still budget friendly. You might decide against them for some of the reasons you listed above, but I have a feeling they will work better than what you expect.