Originally Posted by
TejanoTrackie
Well, it depends on the shop, of course. Some shops have little or no experience with track/FG bikes and don't know how to properly install and tighten a fixed cog and lockring. Some shops don't know how to properly mount a tubular tire. These are things you need to learn to do yourself and have the proper tools.
This and the fact that when I was still very new I brought my first fixie to my LBS to get a tune up and "build a relationship". $70 later they basically installed new brake cables and adjusted the calipers and charged me what they charge to do a tune up on a geared road bike.