The Good:
Valerie is great as a host: she provided snacks when we first arrived, easy key access, was very responsive to messages, and was flexible about us needing to leave a couple hours later. Also, the location is excellent, the water gets hot quickly, and the bed is comfortable.
The Bad:
The conditions of the apartment could be better: it needs some maintenance and care, some of which are easy fixes. Also the 10-day stay doesn't match up with the features of the apartment: there's no place to relax after a long day walking around Manhattan aside from the bed and some dining table chairs.
You Should Know:
It's going to be noisy. It's New York, so you're going to hear music and trucks and most likely, construction.
So final thoughts: the apartment needs some love and care, the location is great, and Valerie is a great host.