Changing the cambelt etc. is an expensive job, particularly in relation to the price of the car, but look at it this way: I bought mine in August 2010 and, after having the starter motor contacts and cam belt, pulleys etc. replaced over the years, could probably still get what I paid for it. Zero depreciation over six years, and at 156,000 the car still runs as well as it did when I bought it, and it has never failed an MOT. How many other cars can you say that about?