My husband I stayed 9 nights here while on vacation. We were really happy with the location- 2 blocks from the G train which was also right next to a Citi Bike station. Check out the two great coffee shops within a 2 minute walk (Marcy & Myrtle and Reconnect). Both had very affordable food, as well.
The accommodations were great- clean, two bathrooms, plenty of space in the bedroom to empty out our bags, snacks, and small kitchen. The internet seemed to slow down in the evenings so if you need WIFI in the evenings, you might have issues.
I do recommend bringing ear plugs if you're a light sleeper- some other guests were less considerate than others and seemed unaware they were sharing the space when arriving late at night. But overall, it was not an issue for us (I bring my earplugs everywhere!).
I enjoyed the neighborhood- it was quiet for the most part but lively in the late evenings. A friend who met me near the apartment said he was less comfortable with the neighborhood, so I suppose it depends on your personal comfort level.
I would stay here again!