novi pazar, mono italian system 350 lev, fitting 50 lev, multi injection version 650 lev plus 200-300lev to fit it.
You wont complete with the locals, they'll have you over in a second.
As for car repairs, oil change free when you buy the oil, prices for oil from 4 lev a litre!
Car repair outfits, about as many as there are coffee shops.
Don't mean to rain on your parade, but them the facts - unless you're pensioned, independent, or extremely lucky, you aint gonna make a living in a trade like car repairs.