China - people in the CBD always need to eat / shop. Online shopping, while an important consideration for retail, is quite irrelevant to people who operate businesses in prime locations in the CBD where foot traffic is, and always will be, king.
Equity of $1.5m at 80% LVR means an asset value of $7.5m and debt of $6m.
A gross yield of 7.5% means a rental of $562,500 pa.
Interest of 5% pa means interest of $300,000 pa
Net income is $262,500. Less other living costs / maintenance etc easily gives you $100k pa. Done.