"It's been mind-blowing to be able to just sit and talk. That was not something that I experienced when I was in a relationship, and it was not something I was able to enjoy as much when I was a single mother."Laila AnnMarie Stevens for BIIn a city where paychecks are stretched thin and monthly daycare costs rival rent expenses, New Yorkers are pinching pennies. A recent report from the Mayor's Office found that it costs the average family $159,000 to live and raise children in the five boroughs, and that's just for basics like housing and healthcare.

Sixty-two percent of all residents — and the vast majority of single-parent households — don't earn enough to meet their cost-of-living threshold. It's hardest for mothers, who are often paid less than men and shoulder more childcare responsibilities.New York City Mayor Zohran Mamdani took office with a mandate to make the city more affordable. He has announced a plan for universal childcare for toddlers and preschoolers, which builds on the existing NYC Public School free 3-K program.

Other proposals aim to lower the cost of apartments, buses, and food. It's a big task, especially as the city's housing demand continues to outpace supply.To make ends meet, Sinclaire and Gonzalez became a dual-income household with a combined $200,000 — and really fun wallpaper."This is not the Mojo Dojo Casa House," Sinclaire said, referring to Ken's bachelor pad in the "Barbie" movie. "This is the Barbie Dream House."Laila AnnMarie Stevens for BI'A utopia'The concept of a "mommune," or commune of moms, has always made sense to Sinclaire.

She was raised in Italy by a single parent, and said she watched her mother have to "choose between poverty and partnership." She wanted to avoid being financially dependent on a man."That was a dream and a wish from early on: to create a family not centered on male partnership and not centered on romance," she said. "Friendships are way more long-lasting, and it didn't make sense to me to have my children's welfare and financial security hinge on something that data shows over and over again is not really working for most women."Sinclaire and Gonzalez met at an NYC graduate school in 2013 and stayed in touch when they became mothers.

Sinclaire has two sons, ages 4 and 9, and Gonzalez has a 7-year-old daughter. Gonzalez had divorced when Sinclaire pitched moving in together."It took me time to process because you don't really hear about that type of alternative family," said Gonzalez, who grew up in Brooklyn. She didn't agree right away.

"At first I was like, 'Okay, girlie, I love you, but what are you talking about? Then I cried at the end of the conversation because it sounded like a utopia."Laila AnnMarie Stevens for BIThe pair initially settled into Sinclaire's existing two-bedroom apartment, then upgraded to a three-bedroom, two-bathroom Harlem unit costing $4,550 a month. Their monthly rent is roughly $600 higher in the new place, but they say the space is essential as their kids grow.

Their two incomes allow them to stay local. In upper Manhattan, about 52% of renter households spend 30% or more of their income on housing, the threshold housing economists typically define as unaffordable.Both women teach at the same public high school, and said their finances have become more stable since they began sharing costs. Last year, Sinclaire earned $94,278 after deductions and Gonzalez earned $106,952, tax documents reviewed by Business Insider show.

They split the $600 monthly grocery bill 50/50, then Gonzalez covers WiFi, and Sinclaire pays the electricity bill.Childcare is divided, too. Sinclaire's youngest son is now old enough for free 3-K (which saves over $1,000 each month), and the others are in public school. The two moms trade drop-offs, pick-ups, and watching the kids.

When there's a gap, they call their part-time caregiver. "She's been with us forever," Sinclaire said. "And we don't have as many hours for her as we did before, but she's our lifeline."

Their monthly childcare costs average $600, with Sinclaire paying a larger share because she has two kids.Since starting the "mommune," Sinclaire said she saves about $1,200 more each month, which goes to her emergency fund, retirement, and kids' college accounts. Gonzalez said they also spend less on takeout and impulse purchases because they can split household responsibilities and avoid burnout — something