It would almost be a coin toss for me, but Ohio is more central to the known universe of expediting, some would like that. However, if you stay in the center, the longest loads can only take you half way across the circle. Live on the edge of the circle and there is always the chance of the long loads across the circle. If I had the choice between two places, I'd just try to use both--which ever happened to be closer at the time. How's that for wobbly advice. Here's another consideration. If I had to be home for whatever reason on a regular basis, like once or twice a month, I'd go with the central location. If not, it doesn't really matter where I would live--freight-wise.
Then each carrier has different customers that might sway the decision. But I wouldn't put too much into this, because even if I found a relatively dead area for a particular carrier as my "home base", I might be able to help the carrier develop a customer base in the new area, at worst I'd learn where to find the closest freight from there.
eb