I install for a local shop part time. Its decent but like AZBASS said, it gets old real quick. Working in shitty cars and I despise Alarms with Remote Start/Keyless entry. Did one on a kia yesterday, and I never will work on one of those cars again. I had to call several different places to get the wiring schematic, even the most notable places like DEI's Directwire, and METRA couldnt give me what I needed. So basically if you are an installer its by no means a cake walk, but like others have said there are perks.