This week readers visited Brick Underground for ways to get more space for less money when buying an apartment in New York City. For example, a first-floor apartment can be up to 15 percent cheaper than a second-floor apartment. Other tips include looking for apartments in post-war, walk-up, and non-doorman buildings.

Also of interest: The story of a divorcee who moved from Cliffside Park, NJ to the Upper East Side to live solo for the first time. She enjoyed the neighborhood but realized NYC is not for her.

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

1) NYC rents 'up sharply' across all apartment sizes in January

2) I changed agents in the middle of my apartment hunt. Who gets the commission if I buy?

3) The Brick Underground Podcast: The secrets to a well-run co-op or condo building

4) 8 ways to get more space for less when buying a NYC apartment

5) From Cliffside Park, NJ, to the UES: After a rebound relationship with NYC, I’m ready to move on

And from this week's sponsors:

I’m concerned that a planned new development next to my building doesn’t comply with the neighborhood’s zoning rules. How do I challenge it? [sponsored]