tahnks a lot for your reply..
1. i will use my father name to buy the new one .. and i will be 擔保人.. 我供.. ( as i have one flat already, i don't have $$$ to pay DSD ..
2. my plan is the new flat is for 自己住, old one is for renting .. so.. i can borrow a lot from the Bank in that case ..:p
pls see i am correct.. thanks you .