Do a google search for Dar a luz network in Dayton, Ohio.
If she contacts one or two of the people under the contacts section, they know of a Midwife in the area down there.
They used to have a Great Midwife practice with a free standing birth center, until non of the OB's down there would back them. I think they also did homebirths.
I think the person I was told about in the Cinci area was around $2800.
Another good resource would be to contact her Local Bradley Childbirth Method Instructors in the Cincinnati area. They would know of or where to find information on homebirth Midwifes in the area.
She might be able to get a less expensive Midwife, if one of the ones in the Dayton area are willing to travel. Most of them are fairly reasonable rates/prices (Trust me, been looking and talking to one of them), but I am not sure if they are willing to travel down that way or not.
If your friend is interested, I think I have book marked the old Midwife group that practiced down there, and they might be able to point you in the right direction.