If you want room for a special hobby or need extra garage space, look for a home with a larger-than-normal lot and do an addition. Construction here is very inexpensive.
You can check out the lot size of any house listed by entering its address in the county property assessor's website: for Sumter County it's
http://www.sumterpa.com/GIS/Search_F.asp
OR use the Sumter County GIS website -- it even lets you measure the lot
http://www.sumtergis.com/gis/