RF in the microphone, a meter that reads differently when you touch the radio, noise that follows you from band to band — most of it is one fault, and a handful of ferrite cores fixes it.
Covenants, a landlord or a small lot do not have to end it. What the FCC rules do and do not cover, and four antennas that work without announcing themselves.
Plenty of antenna ads quote a gain figure that means nothing at all. Here is how to read them: what a dB really is, how dBi and dBd differ, and the three rules that protect you from a misleading claim.