I think Rod's estimate of 5k for annual maintenance is pessimistic. I realise he is quoting that figure from his past experiences so I am sure he is not making it up. We pay about 2k a year and do 100 hours. Our 50 hour check we do ourselves so there is a little saving there.
Hangarage in the north is about 1.2k a year but I believe Southerners get stuffed for 3 to 4k thus proving their is a little justice in the world.