This week, readers visited Brick Underground to check out our closing costs guide. Some big taxes and fees are unique to New York, and they can take a chunk out of a seller's proceeds and impact a buyer's decision on what apartment to buy.

Also of interest: Mortgage rates have recently seen historic lows but they're slowly starting to rise. Brick shares how much and when you can expect them to hit a new level in 2021.

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

1) Closing costs: A guide for NYC buyers and sellers

2) After historic lows, mortgage rates are starting to rise. How far will they go?

3) It took 3 months to get our security deposit back. Here’s what we did

4) A co-op building only wants all-cash offers. Is that a red flag?

5) Renovating or adding a kitchen island to your NYC apartment? Here's a checklist

And from this week's sponsors: