We spent 3 nights at Yi's apartment. She was a wonderful host. She let us check in early which was really helpful with a 3.5 yr old and being able to drop our bags off after an early flight to Sydney.
The apartment was in a great spot and only a 2 minute walk from central station which was hugely convenient!
There were lots of little touches like body wash in the shower, shampoo and conditioner etc.
Our son is 3.5 yrs... if you have young kids under 3-4ish there's a few things about the apartment to be aware of. The steps are very very steep so hard for little legs. The other thing is in the second bedroom there is a juliet balcony with a window seat backing onto it. If you're worried about little ones standing on it and leaning too far I'd probably recommend staying elsewhere. Our son was ok as he's reasonably well behaved but if you have an adventurer this may not be appropriate for your family.
However for older kids and adults this is a great place to stay!