This week, readers visited Brick Underground for our annual holiday tipping guide. Don't know how much you should tip your doorman, porter, super, or other building staff? We break it down for you.

Also of interest: A couple moves from a Gramercy studio to an Upper West Side two bedroom thanks to a Covid discount—but they expect the rent to increase by 20 to 30 percent when it's time to renew their lease.

Here are this week's five most popular posts:

1) Holiday Tipping Guide: How much to tip your doorman, super, porter, and other staff

2) From Gramercy to the Upper West Side: Upgrading from a studio to a two bedroom thanks to a pandemic discount

3) For NYC condos and co-ops with private outdoor space, buyers are willing to pay even more now

4) Changes by Fannie Mae to prevent another Surfside tragedy mean some NYC buyers will lose access to loans

5) Advice for buyers looking for NYC condos and co-ops with low carrying costs