This week, readers visited Brick Underground to learn about a new state bill that would require co-op boards to explain why they rejected a buyer. As the current law stands, co-op boards don't have to disclose why they turned down a potential buyer unless there are allegations of discrimination.

Also of interest: Brick's best advice on how to find an inexpensive rental in New York City. One tip: Find a building that has a lot of vacant apartments—landlords are more open to negotiation if they have multiple places to fill.

Here, in full, are this week's most popular posts.

1) Co-op boards may have to explain why they rejected a buyer

2) How to find an inexpensive (or even cheap!) NYC rental apartment: Brick’s best advice

3) Lower prices fuel record contract activity for Manhattan in March

4) Missing your fellow NYers? A new study tracks where they went

5) 7 ways to get small jobs done in your NYC apartment if you're not handy