I started with doing some minor repairs as some of the electrical work on the interior. I fixed all electrical problems at no cost because I used to be an Auto Electrician.
The first real problem I noticed there were some gearbox noise, however was told the problem was the clutch needed to be replaced.
I drove it around for about 4 months doing about 4000km's since I bought it and the rear brakes failed. The problem was a completely worn out disc rotor, calipers, brake pads and seals. I was quoted by a professional $1600 to replace both sides on the rear differential, instead a friend of mine who is a Diesel mechanic helped me to rebuild the brakes for a mere $550 in parts and $50 for a carton of beer.
Looking into the car's history, it hadn't had any work done to it ever since sold brand new. It had a very good service history.
The other problem was, I had the clutch checked out at 455 000 km's. The mechanic told me that my transfer case, gearbox, and clutch had completely worn out and needed to replace all parts. This cost me a further $7000 for a new gearbox, transfer case and clutch.