Thank you for your inquiry
I will advise you to buy your own house.
I will proceed according to the following contents.
1. I will investegate houjing loan that fits you.
2. I will consider your budget that bank lends you it.
3. I will search for a house in that range.
There is very simple and there is no other way. If you do not understad that bank may lend you a housing loan,you do not deside.
Housing loan is the most difficult loan in Japan. It is even more difficult for foreigners compared with Japanese. It is different from other loans(cars and credit cards,etc…) So,first I will inveategate housing loan that fits you.