Jimmy Carter's Habitat for Humanity has a presence here in VT that you might want to check out.

The terms for qualifying is provided in the website below. There is also a link section to find local resources. Some of the websites listed for VT aren't active but some are and it might be there are other means to contact them.

https://www.habitat.org/housing-help/apply

Hope this might prove helpful. Considering the housing crisis in VT, I'm surprised that there isn't more activity but I could well be out of the loop,