For those who are looking to become a foster parent, does the shelter have any assistance with buying food or getting the animal to a vet and afforfing it?

Yes they have a pet good pantry at the humane society. https://humanesocietyofcharlotte.org/retention/pet-food-bank/ Area churches and people food pantries also distribute pet food. Stand For Animals is the low cost get clinic and they are fabulous. https://www.standforanimals.org

From personal experience, I know that the animals go home neutered, with all shots and a nominal amount of food. They ask questions on a questionnaire before adoption, but I can't remember any about personal finances. My spouse just searched for that on Google and found multiple resources for that need, including the Humane Society.