Ok, obviously you don't have any idea where these markets are. So don't go telling us Shanghai is 7-8X cheaper than Singapore, or anywhere else. Price per square foot is easy enough in each city, but getting an appples-to-apples comparison is next to impossible without some feet on the ground. A Shanghai sg. ft. is not worth a Singapore sq ft because the differences in construction standards (Oh my Gawd!), air quality, availability of schools, regulatory scheme, crime, etc. etc. As for prices, do your own homework.