Staying with Joanna was fine. It's an affordable stay close to New York, but you shouldn't expect too much. The pictures do not correspond with the actual living room, and our room was a bit dusty. Also, there is quite some noise throughout the day due to the location being close to the traffic.
For us, it also wasn't clear that we were not allowed to leave private items (or a bus pringles, or empty cartons) in the living room when being out of the house. She sent us pictures of these items when we were in New York, threatening to charge us an extra cleaning fee for the 'mess'. We simply didn't know that we had to clean the whole living room when being out of town for one day when coming back in the evening, so we would have appreciated it if she told us beforehand, as we wouldn't have left those items behind then.
Overall, I'd recommend the place for people who want to visit NY and are looking for an affordable stay. You don't have to pay much, but don't expect much luxury either.