Flat repair $6 + tube
Wheel True $6-12 + $1 per spoke if needed
Brake Adj: Usually requires wheel truing expect $ 6-15
Derailer Adj: $ 6-8
Cable replacement $ 6-8 + cable/housing
Tune ups: typically $45. It is largely dependent on the condition and complexity of your bicycle. If it is just a simple "pump and polish and looksee" it could be $ 20-25. In other words, you won't be charged full price for a bike in already working and adjusted condition. If your bike is exceptionally rusted/dirty, a "wreck" , an additional charge may apply.
Additional services available and gladly give free estimates.