I am new in this field. I read all the useful comments. I still did not get  the point. When we estimate 1500$ per square meter for construction , it means that it includes the " margin" , "stamp duty", and all other costs?
I mean , if I buy a land for 500,000 and built 300 meter , the whole costs for me will be :

500,000 + ( 300 x…[Read more]