Where not just doing that. Interlocks also.. Hell i could make a living off the Drunk SE Mi driverson this site!
ya i know Ive only work in this bussiness for how long? We'll see ive always wanted my own shop. Im not funding it soo who knows, Downriver isn't the best location for A mobile electronics place but i can't think of a Single CUstom place other than Car Tunes around here.
The money is in RS labor. when at unit cost 150 and everyone charges 500 thats 350 in labor. another is the Massive markup on speakers. Not alot of profit on headunits