First buying the required amount of land matters. And that will vary on its wage because of its place or city area. Depends on what kind of infrastructure it has and so on.... But if the land is already by your name or its yours, You will need to have permission to build that house , and that comes up with some costs.... Then after that you are going to hire personals who will coordinate the work as well as work..... You will provide the necessary tools.... keep in mind that problems might happen, unexpected tools cost might occur in the middle.... Things related to "awerajoch" will be a headache..... If you are lucky you will spent up to 8.5M minimum.... Consult some guy's you've known who work on this areas for more detailed info