With three children, Sonia Castillo knows exactly what she could do with an extra $500 a month. "The bills and stuff for the kids," said Castillo. Living on just $495 a month in low income housing, she says it's a challenge. "It's pretty hard. It costs a lot," she said. According to the mayors office in Stockton, 1-in-4 residents live below the poverty line, but Mayor Michael Tubbs is hoping a new initiative he announced today will help reduce poverty.