This is a good base in an excellent location, especially if you're going to an event in Scotiabank Arena or spending a lot of time in the downtown area. It has great transport links and is literally 2min walk from Union Station (I've seen a couple of reviews further down saying it's a 25min walk or 10min Uber, which I can guarantee is only true if you get lost, it's literally across the square!)
Inside the apartment is nice. There's a large fridge and a freezer as well as a big oven and stove. The bed is a bit firm for my taste but overall it has everything you need for a comfortable stay.
Nishi is very quick to get back to you if you have any questions and at the same time, let's you get on with your visit without disturbance if you don't need her for anything.
Definitely somewhere I'd stay again if I come back to Toronto.