It all depends if you need a basement or not and usually plumbing is in the basement.
People build their homes on slabs all the time. Take Florida for instance, all homes are built on a slab. No one has a basement.... more
If you click on the link below you will see that the listing is current and it is ACTIVE. It was listed for sale on 7-16-2012 for $16,000.00.
There aren't any pictures of this listing online, and no history of this house being listed before. The only picture I could come up with is the GOOGLE picture, click on the link to see the outside at least.
Let me know if you need anything else.
These homes are NOT built yet and there aren't any pictures of the homes at those addresses yet, but if you drive by that area, you will see similar homes already built.
As far as the qualifications are concerned, you are correct, it is based on income. There is a form that I can email you if you like. It will give you a breakdown of what income will qualify you for the project.
My contact information is listed below.