Mamdani's 'make halal $8 again' promise was a campaign hit. NYC vendors say their costs are crushing. Business InsiderA new booster for NYC's thousands of street vendors — legal and otherwise GothamistNew York street vendors face rising costs as Mamdani pushes affordability agenda Traders UnionNew street vendors & indebted old ones New York Daily NewsInside New York's quest to beat halalflation AOL.com