Do you know WHY he said no? Is it about the expense or is it about not wanting the child looked after by a stranger?
It’s not wanting to be looked after a stranger
Try considering a nanny or family member etc or he works a shift while u stay home then when he comes home u go to work leaving him with the baby
Some day cares will offer tuition support. For example my Montessori school offers 50% off for families who meet the income criteria. Ask them if they have a program like that so then ur money stretches further.