Although the credit crunch seems is in full swing, the appetite for buying property in the Greek Islands seems little diminished. The British and Irish alone have nearly 4 million overseas properties and experts predict that this will grow enormously over the next five years: then there are the other foreign buyers, on top of which is a heavy influx of Russians, Germans and Scandanivians. If you're thinking of becoming a Greek Island property buyer we take a look at ten costly buying mistakes which are most frequently made when buying overseas.