Im from australia. Cost acceptable, but not a single indoor court in my area.
In the sydney suburban areas, for adults:
outdoor hard @ Uni - free(for students and their guest only) probably no maintenance, single court, no lights
synthetic grass outdoor @ local tennis club - members $8/yr, day rates $16/hr, night $18/hr. non-members day/night rates $22/$24 per hr
14 Tennis Courts, comps, coaching, No indoor courts
synthetic grass outdoor @ local rsl club - $12/hr(but usually play overtime for free)
2 courts, no lights
more outdoor courts @ local govt city council courts - varies from $10-18/hr Some with lights.