In fact, you are looking for a so-called sense of security in being answered. The sense of security is all made by yourself.

If you find a good job after graduation, it will probably be 15k. As for your boyfriend's business, I don't know. It is estimated to be around 10k. If you want to settle in Xihu District, consider the average house price of about 2w, 80 flat, 160w, with a down payment of 30%. The rest is on your own. 30 years, about 5k a month.

As for "so, is it still difficult for us to get a mortgage together?" You really have to answer it yourself. We can't help you. I mean, if you find a good job, if you can't, the answer will be clear.

Living expenses are 2k+ for two people a month.