Seoul apartments aren't actually expensive, are they?

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In Taiwan, which is most similar to Korea, an apartment roughly 75 square meters (about 29–30 pyeong)
is being sold for 2.4 billion won (80 million won per pyeong). In Seoul, at that size, prices haven't even hit 2 billion won yet,
and they are usually sold at around 50–60 million won per pyeong.
Seoul housing prices aren't expensive.